18412( 12) - 21-Aug-2026 18:59:42 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 18412 Version: 12 Check-in Time: 21-Aug-2026 18:59:42 STScI Edit Number: 4 Title Supernova of the Year: A Complete Picture of a Single Extraordinary Type Ia Supernova ------------------------------------------------------------------------------------ Type Cycle GO 34 ------------------------------------------------------------------------------------ Investigators Contact? PI: Prof. Ryan Foley University of California - Santa Cruz Y CoI: Dr. Saurabh W. Jha Rutgers the State University of New Jersey N CoI: Dr. Raffaella Margutti University of California - Berkeley N CoI: Kyle Davis University of California - Santa Cruz N CoI: Prof. Alex V. Filippenko University of California - Berkeley N CoI: Dr. Daniel Kasen University of California - Berkeley N CoI: Dr. David Coulter The Johns Hopkins University N CoI: Dr. Georgios Dimitriadis Lancaster University N CoI: Dr. Ori Dosovitz Fox Space Telescope Science Institute N CoI: Prof. Robert P. Kirshner Harvard University N CoI: Dr. Armin Rest Space Telescope Science Institute N CoI: Prof. Gautham Narayan University of Illinois at Urbana - N Champaign CoI: Yen-Chen Pan National Central University N CoI: Dr. J. Craig Wheeler University of Texas at Austin N CoI: Prof. Friedrich Roepke Universitat Heidelberg N CoI: Dr. Stuart A. Sim Queen's University Belfast N CoI: Dr. Markus Kromer Universitat Heidelberg N CoI: Dr. Matthew Ryan Siebert Space Telescope Science Institute N CoI: Dr. Kishore C. Patra University of California - Santa Cruz N CoI: Dr. Lindsey Kwok Northwestern University N ------------------------------------------------------------------------------------ Abstract Type Ia supernovae (SN Ia) are a fundamental cosmological probe, are critical for enriching the Universe with metals, and provide feedback for star formation. Yet, we do not know which star systems produce them or how they explode. The most progress in these areas has been made when obtaining exceptional datasets for individual SNe. Here we propose an ambitious and comprehensive program to (1) determine the progenitor metallicity and explosion mechanism through UV spectroscopy, (2) separate the SN's intrinsic color from the dust reddening law with UV through NIR photometry, (3) measure the central density of the progenitor star by examining the late-time fading, (4) constrain the progenitor age from observations of its environment, (5) search for any potential companion star using NOIRLab observations in the first few days after explosion, (6) measure the ejecta composition and kinematics with late-time NOIRLab/JWST optical/NIR/MIR spectroscopy, (7) determine circumstellar properties with Chandra X-ray and VLA radio obserations, and (8) measure a precise distance from observations of Cepheid variables. No SN Ia has had all of these measurements, and only the two closest SN Ia since Hubble's launch have six of the eight. These data will unveil new, detailed understanding of SN Ia physics and be a complete dataset against which theories will betested. This program will be a legacy 18412( 12) - 21-Aug-2026 18:59:42 - [ 2] for SN Ia science for decades. ------------------------------------------------------------------------------------ Observations Description ------------------------ To be added ------------------------------------------------------------------------------------ 18412( 12) - 21-Aug-2026 18:59:42 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 2 TEMP EXT-STAR, SUPERNOVA RA=00H00M0.0000S, J2000 V = 14 TYPE IA DEC=+00D00'0.00" Reference Frame: ICRS Extended: NO ------------------------------------------------------------------------------------------------------------------------------------ 18412( 12) - 21-Aug-2026 18:59:42 - [ 4] TARGET LIST Generic Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Selection Criteria | Flux data No | Name | Description | | ------------------------------------------------------------------------------------------------------------------------------------ 1 SN-OF-THE-YE EXT-STAR, SUPERNOVA TOO V = 14 AR TYPE IA ------------------------------------------------------------------------------------------------------------------------------------ 18412( 12) - 21-Aug-2026 18:59:42 - [ 5] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-UVIS-DITHER-LINE-3PT Pattern_Purpose DITHER Number_Of_Points 3 Point_Spacing 0.135 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 46.84 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 2 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-IR-DITHER-LINE Pattern_Purpose DITHER Number_Of_Points 2 Point_Spacing 0.636 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 41.788 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 3 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-UVIS-DITHER-LINE Pattern_Purpose DITHER Number_Of_Points 2 Point_Spacing 0.145 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 46.84 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 4 Primary_Pattern Secondary_Pattern Pattern_Type LINE Pattern_Purpose DITHER Number_Of_Points 2 Point_Spacing 0.636 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 41.788 Angle_Between_Sides Center_Pattern NO Pattern_Comments: IR Pattern 18412( 12) - 21-Aug-2026 18:59:42 - [ 6] Patterns ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 18412( 12) - 21-Aug-2026 18:59:42 - [ 7] Visit: 01 (Epoch 1 Spec) Visit Requirements: SCHED 100%; TOO MIN RESPONSE TIME 2.0D; TOO MAX RESPONSE TIME 5.0D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SN-OF-THE-Y STIS/CCD ACQ F28X50LP MIRROR 1 0.1 S (0.1 EAR S) Comments: ).1 for 14th mag star yields a s/n ~50 Time to saturation is 15 seconds. ------------------------------------------------------------------------------------------------------------------------------------ 2 SN-OF-THE-Y STIS/NUV ACCUM 52X0.2 G230L 2376 WAVECAL=NO 1 2000 S POS TARG 0.0, 0.5; PAR EAR -MAMA (2000 S) 4-5 WITH 2-3 ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F350LP 2 440 S (880 S S) ------------------------------------------------------------------------------------------------------------------------------------ 5 ANY WFC3/UVI ACCUM UVIS F814W FLASH=10 2 440 S (880 S S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SN-OF-THE-Y STIS/CCD ACQ F28X50LP MIRROR 1 0.1 S (0.1 EAR S) Comments: ).1 for 14th mag star yields a s/n ~50 Time to saturation is 15 seconds. ------------------------------------------------------------------------------------------------------------------------------------ 7 SN-OF-THE-Y STIS/CCD ACCUM 52X0.2E1 G430L 4300 CR-SPLIT=2 1 100 S (100 EAR S) ------------------------------------------------------------------------------------------------------------------------------------ 8 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 SN-OF-THE-Y STIS/CCD ACCUM 52X0.2E1 G750L 7751 CR-SPLIT=2 1 100 S (100 EAR S) ------------------------------------------------------------------------------------------------------------------------------------ 10 WAVE STIS/CCD ACCUM 52X0.2 G750L 7751 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 SN-OF-THE-Y STIS/NUV ACCUM 52X0.2 G230L 2376 1 1000 S PAR 13 WITH 11-12 EAR -MAMA (1000 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 13 ANY WFC3/IR MULTIAC IR-UVIS F160W NSAMP=6, SAMP-SEQ=SPARS200 1 DEF CUM (1002.933 S) ------------------------------------------------------------------------------------------------------------------------------------ 18412( 12) - 21-Aug-2026 18:59:42 - [ 8] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 14 CCDFLAT STIS/CCD ACCUM 52X0.1 G750L 7751 2 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ SN-OF-THE-YEAR 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A SN-OF-THE-YEAR 2 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA WAVE 3 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA ANY 4 WFC3/UVI ACCUM UVIS F350LP none none 1 none 1 N/A S ANY 4 WFC3/UVI ACCUM UVIS F350LP none none 2 none 1 N/A S ANY 5 WFC3/UVI ACCUM UVIS F814W none none 1 none 1 N/A S ANY 5 WFC3/UVI ACCUM UVIS F814W none none 2 none 1 N/A S SN-OF-THE-YEAR 6 STIS/CCD ACQ F28X50LP MIRROR none none none none 2 N/A SN-OF-THE-YEAR 7 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 2 N/A SN-OF-THE-YEAR 7 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 2 N/A WAVE 8 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 2 N/A SN-OF-THE-YEAR 9 STIS/CCD ACCUM 52X0.2E1 G750L 7751 none none none 1 2 N/A SN-OF-THE-YEAR 9 STIS/CCD ACCUM 52X0.2E1 G750L 7751 none none none 2 2 N/A WAVE 10 STIS/CCD ACCUM 52X0.2 G750L 7751 none none none none 2 N/A SN-OF-THE-YEAR 11 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 2 N/A -MAMA WAVE 12 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 2 N/A -MAMA ANY 13 WFC3/IR MULTIAC IR-UVIS F160W none none none none 2 N/A CUM CCDFLAT 14 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 1 none 2 N/A CCDFLAT 14 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 2 none 2 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 9] Visit: 02 (Epoch 2 Spec) Visit Requirements: SCHED 100%; SAME ORIENT AS 01; AFTER 01 BY 2 D TO 3 D; TOO MIN RESPONSE TIME 2.0D; TOO MAX RESPONSE TIME 5.0D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SN-OF-THE-Y STIS/CCD ACQ F28X50LP MIRROR 1 0.1 S (0.1 EAR S) Comments: ).1 for 14th mag star yields a s/n ~50 Time to saturation is 15 seconds. ------------------------------------------------------------------------------------------------------------------------------------ 2 SN-OF-THE-Y STIS/CCD ACCUM 52X0.2E1 G430L 4300 CR-SPLIT=2 1 100 S (100 EAR S) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN-OF-THE-Y STIS/CCD ACCUM 52X0.2E1 G750L 7751 CR-SPLIT=2 1 100 S (100 EAR S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/CCD ACCUM 52X0.2 G750L 7751 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SN-OF-THE-Y STIS/NUV ACCUM 52X0.2 G230L 2376 WAVECAL=NO 1 1164 S PAR 8 WITH 6-7 EAR -MAMA (1164 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/UVI ACCUM UVIS F555W FLASH=5 2 540 S S (1080 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 CCDFLAT STIS/CCD ACCUM 52X0.1 G750L 7751 2 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ SN-OF-THE-YEAR 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A SN-OF-THE-YEAR 2 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 N/A SN-OF-THE-YEAR 2 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 N/A WAVE 3 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SN-OF-THE-YEAR 4 STIS/CCD ACCUM 52X0.2E1 G750L 7751 none none none 1 1 N/A SN-OF-THE-YEAR 4 STIS/CCD ACCUM 52X0.2E1 G750L 7751 none none none 2 1 N/A WAVE 5 STIS/CCD ACCUM 52X0.2 G750L 7751 none none none none 1 N/A SN-OF-THE-YEAR 6 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA 18412( 12) - 21-Aug-2026 18:59:42 - [ 10] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WAVE 7 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA ANY 8 WFC3/UVI ACCUM UVIS F555W none none 1 none 1 N/A S ANY 8 WFC3/UVI ACCUM UVIS F555W none none 2 none 1 N/A S CCDFLAT 9 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 1 none 1 N/A CCDFLAT 9 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 2 none 1 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 11] Visit: 03 (Epoch 3 Spec) Visit Requirements: SCHED 100%; SAME ORIENT AS 01; AFTER 01 BY 4 D TO 5 D; TOO MIN RESPONSE TIME 2.0D; TOO MAX RESPONSE TIME 5.0D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SN-OF-THE-Y STIS/CCD ACQ F28X50LP MIRROR 1 0.1 S (0.1 EAR S) Comments: ).1 for 14th mag star yields a s/n ~50 Time to saturation is 15 seconds. ------------------------------------------------------------------------------------------------------------------------------------ 2 SN-OF-THE-Y STIS/CCD ACCUM 52X0.2E1 G430L 4300 CR-SPLIT=2 1 100 S (100 EAR S) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN-OF-THE-Y STIS/CCD ACCUM 52X0.2E1 G750L 7751 CR-SPLIT=2 1 100 S (100 EAR S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/CCD ACCUM 52X0.2 G750L 7751 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SN-OF-THE-Y STIS/NUV ACCUM 52X0.2 G230L 2376 WAVECAL=NO 1 1164 S PAR 8 WITH 6-7 EAR -MAMA (1164 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/UVI ACCUM UVIS F350LP 2 540 S S (1080 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 CCDFLAT STIS/CCD ACCUM 52X0.1 G750L 7751 2 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ SN-OF-THE-YEAR 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A SN-OF-THE-YEAR 2 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 N/A SN-OF-THE-YEAR 2 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 N/A WAVE 3 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SN-OF-THE-YEAR 4 STIS/CCD ACCUM 52X0.2E1 G750L 7751 none none none 1 1 N/A SN-OF-THE-YEAR 4 STIS/CCD ACCUM 52X0.2E1 G750L 7751 none none none 2 1 N/A WAVE 5 STIS/CCD ACCUM 52X0.2 G750L 7751 none none none none 1 N/A SN-OF-THE-YEAR 6 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA 18412( 12) - 21-Aug-2026 18:59:42 - [ 12] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WAVE 7 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA ANY 8 WFC3/UVI ACCUM UVIS F350LP none none 1 none 1 N/A S ANY 8 WFC3/UVI ACCUM UVIS F350LP none none 2 none 1 N/A S CCDFLAT 9 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 1 none 1 N/A CCDFLAT 9 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 2 none 1 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 13] Visit: 04 (Epoch 4 Spec) Visit Requirements: SCHED 100%; SAME ORIENT AS 01; AFTER 01 BY 6 D TO 7 D; TOO MIN RESPONSE TIME 2.0D; TOO MAX RESPONSE TIME 5.0D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SN-OF-THE-Y STIS/CCD ACQ F28X50LP MIRROR 1 0.1 S (0.1 EAR S) Comments: ).1 for 14th mag star yields a s/n ~50 Time to saturation is 15 seconds. ------------------------------------------------------------------------------------------------------------------------------------ 2 SN-OF-THE-Y STIS/CCD ACCUM 52X0.2E1 G430L 4300 CR-SPLIT=2 1 100 S (100 EAR S) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN-OF-THE-Y STIS/CCD ACCUM 52X0.2E1 G750L 7751 CR-SPLIT=2 1 100 S (100 EAR S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/CCD ACCUM 52X0.2 G750L 7751 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SN-OF-THE-Y STIS/NUV ACCUM 52X0.2 G230L 2376 WAVECAL=NO 1 1164 S PAR 8 WITH 6-7 EAR -MAMA (1164 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/IR MULTIAC IR-UVIS F160W NSAMP=6, SAMP-SEQ=SPARS200 1 DEF CUM (1002.933 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 CCDFLAT STIS/CCD ACCUM 52X0.1 G750L 7751 2 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ SN-OF-THE-YEAR 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A SN-OF-THE-YEAR 2 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 N/A SN-OF-THE-YEAR 2 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 N/A WAVE 3 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SN-OF-THE-YEAR 4 STIS/CCD ACCUM 52X0.2E1 G750L 7751 none none none 1 1 N/A SN-OF-THE-YEAR 4 STIS/CCD ACCUM 52X0.2E1 G750L 7751 none none none 2 1 N/A WAVE 5 STIS/CCD ACCUM 52X0.2 G750L 7751 none none none none 1 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 14] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ SN-OF-THE-YEAR 6 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA WAVE 7 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA ANY 8 WFC3/IR MULTIAC IR-UVIS F160W none none none none 1 N/A CUM CCDFLAT 9 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 1 none 1 N/A CCDFLAT 9 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 2 none 1 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 15] Visit: 05 (Epoch 5 Spec) Visit Requirements: SCHED 100%; SAME ORIENT AS 01; AFTER 01 BY 8 D TO 10 D; TOO MIN RESPONSE TIME 2.0D; TOO MAX RESPONSE TIME 5.0D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SN-OF-THE-Y STIS/CCD ACQ F28X50LP MIRROR 1 0.1 S (0.1 EAR S) Comments: ).1 for 14th mag star yields a s/n ~50 Time to saturation is 15 seconds. ------------------------------------------------------------------------------------------------------------------------------------ 2 SN-OF-THE-Y STIS/CCD ACCUM 52X0.2E1 G430L 4300 CR-SPLIT=2 1 100 S (100 EAR S) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN-OF-THE-Y STIS/CCD ACCUM 52X0.2E1 G750L 7751 CR-SPLIT=2 1 100 S (100 EAR S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/CCD ACCUM 52X0.2 G750L 7751 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SN-OF-THE-Y STIS/NUV ACCUM 52X0.2 G230L 2376 WAVECAL=NO 1 1164 S PAR 8 WITH 6-7 EAR -MAMA (1164 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/UVI ACCUM UVIS F814W FLASH=5 2 540 S S (1080 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 CCDFLAT STIS/CCD ACCUM 52X0.1 G750L 7751 2 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ SN-OF-THE-YEAR 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A SN-OF-THE-YEAR 2 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 N/A SN-OF-THE-YEAR 2 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 N/A WAVE 3 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SN-OF-THE-YEAR 4 STIS/CCD ACCUM 52X0.2E1 G750L 7751 none none none 1 1 N/A SN-OF-THE-YEAR 4 STIS/CCD ACCUM 52X0.2E1 G750L 7751 none none none 2 1 N/A WAVE 5 STIS/CCD ACCUM 52X0.2 G750L 7751 none none none none 1 N/A SN-OF-THE-YEAR 6 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA 18412( 12) - 21-Aug-2026 18:59:42 - [ 16] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WAVE 7 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA ANY 8 WFC3/UVI ACCUM UVIS F814W none none 1 none 1 N/A S ANY 8 WFC3/UVI ACCUM UVIS F814W none none 2 none 1 N/A S CCDFLAT 9 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 1 none 1 N/A CCDFLAT 9 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 2 none 1 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 17] Visit: 06 (Epoch 6 Spec) Visit Requirements: SCHED 100%; SAME ORIENT AS 01; AFTER 01 BY 11 D TO 13 D; TOO MIN RESPONSE TIME 2.0D; TOO MAX RESPONSE TIME 5.0D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SN-OF-THE-Y STIS/CCD ACQ F28X50LP MIRROR 1 0.1 S (0.1 EAR S) Comments: ).1 for 14th mag star yields a s/n ~50 Time to saturation is 15 seconds. ------------------------------------------------------------------------------------------------------------------------------------ 2 SN-OF-THE-Y STIS/CCD ACCUM 52X0.2E1 G430L 4300 CR-SPLIT=2 1 100 S (100 EAR S) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN-OF-THE-Y STIS/CCD ACCUM 52X0.2E1 G750L 7751 CR-SPLIT=2 1 100 S (100 EAR S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/CCD ACCUM 52X0.2 G750L 7751 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SN-OF-THE-Y STIS/NUV ACCUM 52X0.2 G230L 2376 WAVECAL=NO 1 1164 S PAR 8 WITH 6-7 EAR -MAMA (1164 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/UVI ACCUM UVIS F555W FLASH=5 2 540 S S (1080 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 CCDFLAT STIS/CCD ACCUM 52X0.1 G750L 7751 2 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ SN-OF-THE-YEAR 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A SN-OF-THE-YEAR 2 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 N/A SN-OF-THE-YEAR 2 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 N/A WAVE 3 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SN-OF-THE-YEAR 4 STIS/CCD ACCUM 52X0.2E1 G750L 7751 none none none 1 1 N/A SN-OF-THE-YEAR 4 STIS/CCD ACCUM 52X0.2E1 G750L 7751 none none none 2 1 N/A WAVE 5 STIS/CCD ACCUM 52X0.2 G750L 7751 none none none none 1 N/A SN-OF-THE-YEAR 6 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA 18412( 12) - 21-Aug-2026 18:59:42 - [ 18] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WAVE 7 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA ANY 8 WFC3/UVI ACCUM UVIS F555W none none 1 none 1 N/A S ANY 8 WFC3/UVI ACCUM UVIS F555W none none 2 none 1 N/A S CCDFLAT 9 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 1 none 1 N/A CCDFLAT 9 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 2 none 1 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 19] Visit: 07 (Epoch 7 Spec) Visit Requirements: SCHED 100%; SAME ORIENT AS 01; AFTER 01 BY 14 D TO 16 D; TOO MIN RESPONSE TIME 2.0D; TOO MAX RESPONSE TIME 5.0D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SN-OF-THE-Y STIS/CCD ACQ F28X50LP MIRROR 1 0.1 S (0.1 EAR S) Comments: ).1 for 14th mag star yields a s/n ~50 Time to saturation is 15 seconds. ------------------------------------------------------------------------------------------------------------------------------------ 2 SN-OF-THE-Y STIS/CCD ACCUM 52X0.2E1 G430L 4300 CR-SPLIT=2 1 100 S (100 EAR S) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN-OF-THE-Y STIS/CCD ACCUM 52X0.2E1 G750L 7751 CR-SPLIT=2 1 100 S (100 EAR S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/CCD ACCUM 52X0.2 G750L 7751 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SN-OF-THE-Y STIS/NUV ACCUM 52X0.2 G230L 2376 WAVECAL=NO 1 1164 S PAR 8 WITH 6-7 EAR -MAMA (1164 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/UVI ACCUM UVIS F350LP 2 540 S S (1080 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 CCDFLAT STIS/CCD ACCUM 52X0.1 G750L 7751 2 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ SN-OF-THE-YEAR 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A SN-OF-THE-YEAR 2 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 N/A SN-OF-THE-YEAR 2 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 N/A WAVE 3 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SN-OF-THE-YEAR 4 STIS/CCD ACCUM 52X0.2E1 G750L 7751 none none none 1 1 N/A SN-OF-THE-YEAR 4 STIS/CCD ACCUM 52X0.2E1 G750L 7751 none none none 2 1 N/A WAVE 5 STIS/CCD ACCUM 52X0.2 G750L 7751 none none none none 1 N/A SN-OF-THE-YEAR 6 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA 18412( 12) - 21-Aug-2026 18:59:42 - [ 20] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WAVE 7 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA ANY 8 WFC3/UVI ACCUM UVIS F350LP none none 1 none 1 N/A S ANY 8 WFC3/UVI ACCUM UVIS F350LP none none 2 none 1 N/A S CCDFLAT 9 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 1 none 1 N/A CCDFLAT 9 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 2 none 1 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 21] Visit: 08 (Epoch 8 Spec) Visit Requirements: SCHED 100%; SAME ORIENT AS 01; AFTER 01 BY 17 D TO 19 D; TOO MIN RESPONSE TIME 2.0D; TOO MAX RESPONSE TIME 5.0D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SN-OF-THE-Y STIS/CCD ACQ F28X50LP MIRROR 1 0.1 S (0.1 EAR S) Comments: ).1 for 14th mag star yields a s/n ~50 Time to saturation is 15 seconds. ------------------------------------------------------------------------------------------------------------------------------------ 2 SN-OF-THE-Y STIS/CCD ACCUM 52X0.2E1 G430L 4300 CR-SPLIT=2 1 100 S (100 EAR S) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN-OF-THE-Y STIS/CCD ACCUM 52X0.2E1 G750L 7751 CR-SPLIT=2 1 100 S (100 EAR S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/CCD ACCUM 52X0.2 G750L 7751 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SN-OF-THE-Y STIS/NUV ACCUM 52X0.2 G230L 2376 WAVECAL=NO 1 1164 S PAR 8 WITH 6-7 EAR -MAMA (1164 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/IR MULTIAC IR-UVIS F160W NSAMP=6, SAMP-SEQ=SPARS200 1 DEF CUM (1002.933 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 CCDFLAT STIS/CCD ACCUM 52X0.1 G750L 7751 2 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ SN-OF-THE-YEAR 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A SN-OF-THE-YEAR 2 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 N/A SN-OF-THE-YEAR 2 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 N/A WAVE 3 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SN-OF-THE-YEAR 4 STIS/CCD ACCUM 52X0.2E1 G750L 7751 none none none 1 1 N/A SN-OF-THE-YEAR 4 STIS/CCD ACCUM 52X0.2E1 G750L 7751 none none none 2 1 N/A WAVE 5 STIS/CCD ACCUM 52X0.2 G750L 7751 none none none none 1 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 22] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ SN-OF-THE-YEAR 6 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA WAVE 7 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA ANY 8 WFC3/IR MULTIAC IR-UVIS F160W none none none none 1 N/A CUM CCDFLAT 9 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 1 none 1 N/A CCDFLAT 9 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 2 none 1 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 23] Visit: 09 (Epoch 9 Spec) Visit Requirements: SCHED 100%; SAME ORIENT AS 01; AFTER 01 BY 20 D TO 22 D; TOO MIN RESPONSE TIME 2.0D; TOO MAX RESPONSE TIME 5.0D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SN-OF-THE-Y STIS/CCD ACQ F28X50LP MIRROR 1 0.1 S (0.1 EAR S) Comments: ).1 for 14th mag star yields a s/n ~50 Time to saturation is 15 seconds. ------------------------------------------------------------------------------------------------------------------------------------ 2 SN-OF-THE-Y STIS/CCD ACCUM 52X0.2E1 G430L 4300 CR-SPLIT=2 1 100 S (100 EAR S) ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN-OF-THE-Y STIS/CCD ACCUM 52X0.2E1 G750L 7751 CR-SPLIT=2 1 100 S (100 EAR S) ------------------------------------------------------------------------------------------------------------------------------------ 5 WAVE STIS/CCD ACCUM 52X0.2 G750L 7751 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SN-OF-THE-Y STIS/NUV ACCUM 52X0.2 G230L 2376 WAVECAL=NO 1 1164 S PAR 8 WITH 6-7 EAR -MAMA (1164 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/UVI ACCUM UVIS F814W FLASH=5 2 540 S S (1080 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 CCDFLAT STIS/CCD ACCUM 52X0.1 G750L 7751 2 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ SN-OF-THE-YEAR 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A SN-OF-THE-YEAR 2 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 1 N/A SN-OF-THE-YEAR 2 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 1 N/A WAVE 3 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 1 N/A SN-OF-THE-YEAR 4 STIS/CCD ACCUM 52X0.2E1 G750L 7751 none none none 1 1 N/A SN-OF-THE-YEAR 4 STIS/CCD ACCUM 52X0.2E1 G750L 7751 none none none 2 1 N/A WAVE 5 STIS/CCD ACCUM 52X0.2 G750L 7751 none none none none 1 N/A SN-OF-THE-YEAR 6 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA 18412( 12) - 21-Aug-2026 18:59:42 - [ 24] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ WAVE 7 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA ANY 8 WFC3/UVI ACCUM UVIS F814W none none 1 none 1 N/A S ANY 8 WFC3/UVI ACCUM UVIS F814W none none 2 none 1 N/A S CCDFLAT 9 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 1 none 1 N/A CCDFLAT 9 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 2 none 1 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 25] Visit: 10 (Epoch 10 Spec) Visit Requirements: SCHED 100%; SAME ORIENT AS 01; AFTER 01 BY 26 D TO 32 D; TOO MIN RESPONSE TIME 2.0D; TOO MAX RESPONSE TIME 5.0D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SN-OF-THE-Y STIS/CCD ACQ F28X50LP MIRROR 1 0.1 S (0.1 EAR S) Comments: ).1 for 14th mag star yields a s/n ~50 Time to saturation is 15 seconds. ------------------------------------------------------------------------------------------------------------------------------------ 2 SN-OF-THE-Y STIS/NUV ACCUM 52X0.2 G230L 2376 WAVECAL=NO 1 2000 S POS TARG 0.0, 0.5; PAR EAR -MAMA (2000 S) 4-5 WITH 2-3 ------------------------------------------------------------------------------------------------------------------------------------ 3 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F350LP 2 440 S (880 S S) ------------------------------------------------------------------------------------------------------------------------------------ 5 ANY WFC3/UVI ACCUM UVIS F555W FLASH=10 2 440 S (880 S S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SN-OF-THE-Y STIS/CCD ACQ F28X50LP MIRROR 1 0.1 S (0.1 EAR S) Comments: ).1 for 14th mag star yields a s/n ~50 Time to saturation is 15 seconds. ------------------------------------------------------------------------------------------------------------------------------------ 7 SN-OF-THE-Y STIS/CCD ACCUM 52X0.2E1 G430L 4300 CR-SPLIT=2 1 100 S (100 EAR S) ------------------------------------------------------------------------------------------------------------------------------------ 8 WAVE STIS/CCD ACCUM 52X0.2 G430L 4300 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 SN-OF-THE-Y STIS/CCD ACCUM 52X0.2E1 G750L 7751 CR-SPLIT=2 1 100 S (100 EAR S) ------------------------------------------------------------------------------------------------------------------------------------ 10 WAVE STIS/CCD ACCUM 52X0.2 G750L 7751 1 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 SN-OF-THE-Y STIS/NUV ACCUM 52X0.2 G230L 2376 1 1000 S PAR 13 WITH 11-12 EAR -MAMA (1000 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 WAVE STIS/NUV ACCUM 52X0.2 G230L 2376 1 DEF (0 S) -MAMA ------------------------------------------------------------------------------------------------------------------------------------ 13 ANY WFC3/IR MULTIAC IR-UVIS F160W NSAMP=6, SAMP-SEQ=SPARS200 1 DEF CUM (1002.933 S) 18412( 12) - 21-Aug-2026 18:59:42 - [ 26] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 14 CCDFLAT STIS/CCD ACCUM 52X0.1 G750L 7751 2 DEF (0 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ SN-OF-THE-YEAR 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A SN-OF-THE-YEAR 2 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA WAVE 3 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 1 N/A -MAMA ANY 4 WFC3/UVI ACCUM UVIS F350LP none none 1 none 1 N/A S ANY 4 WFC3/UVI ACCUM UVIS F350LP none none 2 none 1 N/A S ANY 5 WFC3/UVI ACCUM UVIS F555W none none 1 none 1 N/A S ANY 5 WFC3/UVI ACCUM UVIS F555W none none 2 none 1 N/A S SN-OF-THE-YEAR 6 STIS/CCD ACQ F28X50LP MIRROR none none none none 2 N/A SN-OF-THE-YEAR 7 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 1 2 N/A SN-OF-THE-YEAR 7 STIS/CCD ACCUM 52X0.2E1 G430L 4300 none none none 2 2 N/A WAVE 8 STIS/CCD ACCUM 52X0.2 G430L 4300 none none none none 2 N/A SN-OF-THE-YEAR 9 STIS/CCD ACCUM 52X0.2E1 G750L 7751 none none none 1 2 N/A SN-OF-THE-YEAR 9 STIS/CCD ACCUM 52X0.2E1 G750L 7751 none none none 2 2 N/A WAVE 10 STIS/CCD ACCUM 52X0.2 G750L 7751 none none none none 2 N/A SN-OF-THE-YEAR 11 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 2 N/A -MAMA WAVE 12 STIS/NUV ACCUM 52X0.2 G230L 2376 none none none none 2 N/A -MAMA ANY 13 WFC3/IR MULTIAC IR-UVIS F160W none none none none 2 N/A CUM CCDFLAT 14 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 1 none 2 N/A CCDFLAT 14 STIS/CCD ACCUM 52X0.1 G750L 7751 none none 2 none 2 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 27] Visit: 11 (Epoch 1 Image) Visit Requirements: ORIENT -15D TO 15D FROM 01; AFTER 01 BY 0 H TO 4 H; ON HOLD On Hold Comments: ToO Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 TEMP WFC3/IR MULTIAC IRSUB512- F125W NSAMP=6, SAMP-SEQ=STEP25 1 DEF SEQ 1-9 NON-INT; PATTERN CUM FIX (73.509 S) 2 1-3 ------------------------------------------------------------------------------------------------------------------------------------ 2 TEMP WFC3/IR MULTIAC IRSUB512- F140W NSAMP=7, SAMP-SEQ=STEP25 1 DEF CUM FIX (119.352 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 TEMP WFC3/IR MULTIAC IRSUB512- F160W NSAMP=7, SAMP-SEQ=STEP25 1 DEF CUM FIX (119.352 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 TEMP WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 334 S (334 PAR 9 WITH 4-8 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 5 TEMP WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 67 S (67 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 6 TEMP WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 8 S (8 S) S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 7 TEMP WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 2 S (2 S) S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 8 TEMP WFC3/UVI ACCUM UVIS2-M51 F336W FLASH=20 1 50 S (50 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC2-FIX F850LP 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 TEMP WFC3/UVI ACCUM UVIS2-FIX F336W FLASH=20 1 50 S (50 POS TARG 0.099, 0.106 S S) ------------------------------------------------------------------------------------------------------------------------------------ 11 TEMP WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 334 S (334 POS TARG 0.099, 0.106; S 2C-SUB S) PAR 15 WITH 11-14 ------------------------------------------------------------------------------------------------------------------------------------ 12 TEMP WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 67 S (67 POS TARG 0.099, 0.106 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 13 TEMP WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 8 S (8 S) POS TARG 0.099, 0.106 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 18412( 12) - 21-Aug-2026 18:59:42 - [ 28] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 14 TEMP WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 2 S (2 S) POS TARG 0.099, 0.106 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 15 ANY ACS/WFC ACCUM WFC2-FIX F850LP 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ TEMP 1 WFC3/IR MULTIAC IRSUB512 F125W 1 none none none 1 N/A CUM -FIX TEMP 1 WFC3/IR MULTIAC IRSUB512 F125W 2 none none none 1 N/A CUM -FIX TEMP 2 WFC3/IR MULTIAC IRSUB512 F140W 1 none none none 1 N/A CUM -FIX TEMP 2 WFC3/IR MULTIAC IRSUB512 F140W 2 none none none 1 N/A CUM -FIX TEMP 3 WFC3/IR MULTIAC IRSUB512 F160W 1 none none none 1 N/A CUM -FIX TEMP 3 WFC3/IR MULTIAC IRSUB512 F160W 2 none none none 1 N/A CUM -FIX TEMP 4 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB TEMP 5 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB TEMP 6 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB TEMP 7 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB TEMP 8 WFC3/UVI ACCUM UVIS2-M5 F336W none none none none 1 N/A S 12C-SUB ANY 9 ACS/WFC ACCUM WFC2-FIX F850LP none none none none 1 N/A TEMP 10 WFC3/UVI ACCUM UVIS2-FI F336W none none none none 1 N/A S X TEMP 11 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB TEMP 12 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB TEMP 13 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB TEMP 14 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB ANY 15 ACS/WFC ACCUM WFC2-FIX F850LP none none none none 1 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 29] Visit: 12 (Epoch 2 Image) Visit Requirements: SAME ORIENT AS 11; AFTER 02 BY 0 H TO 4 H; ON HOLD On Hold Comments: ToO Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 TEMP WFC3/IR MULTIAC IRSUB512- F125W NSAMP=6, SAMP-SEQ=STEP25 1 DEF SEQ 1-9 NON-INT; PATTERN CUM FIX (73.509 S) 2 1-3 ------------------------------------------------------------------------------------------------------------------------------------ 2 TEMP WFC3/IR MULTIAC IRSUB512- F140W NSAMP=7, SAMP-SEQ=STEP25 1 DEF CUM FIX (119.352 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 TEMP WFC3/IR MULTIAC IRSUB512- F160W NSAMP=7, SAMP-SEQ=STEP25 1 DEF CUM FIX (119.352 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 TEMP WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 334 S (334 PAR 9 WITH 4-8 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 5 TEMP WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 67 S (67 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 6 TEMP WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 8 S (8 S) S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 7 TEMP WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 2 S (2 S) S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 8 TEMP WFC3/UVI ACCUM UVIS2-M51 F336W FLASH=20 1 50 S (50 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC2-FIX F850LP 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 TEMP WFC3/UVI ACCUM UVIS2-FIX F336W FLASH=20 1 50 S (50 POS TARG 0.099, 0.106 S S) ------------------------------------------------------------------------------------------------------------------------------------ 11 TEMP WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 334 S (334 POS TARG 0.099, 0.106; S 2C-SUB S) PAR 15 WITH 11-14 ------------------------------------------------------------------------------------------------------------------------------------ 12 TEMP WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 67 S (67 POS TARG 0.099, 0.106 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 13 TEMP WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 8 S (8 S) POS TARG 0.099, 0.106 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 18412( 12) - 21-Aug-2026 18:59:42 - [ 30] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 14 TEMP WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 2 S (2 S) POS TARG 0.099, 0.106 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 15 ANY ACS/WFC ACCUM WFC2-FIX F850LP 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ TEMP 1 WFC3/IR MULTIAC IRSUB512 F125W 1 none none none 1 N/A CUM -FIX TEMP 1 WFC3/IR MULTIAC IRSUB512 F125W 2 none none none 1 N/A CUM -FIX TEMP 2 WFC3/IR MULTIAC IRSUB512 F140W 1 none none none 1 N/A CUM -FIX TEMP 2 WFC3/IR MULTIAC IRSUB512 F140W 2 none none none 1 N/A CUM -FIX TEMP 3 WFC3/IR MULTIAC IRSUB512 F160W 1 none none none 1 N/A CUM -FIX TEMP 3 WFC3/IR MULTIAC IRSUB512 F160W 2 none none none 1 N/A CUM -FIX TEMP 4 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB TEMP 5 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB TEMP 6 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB TEMP 7 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB TEMP 8 WFC3/UVI ACCUM UVIS2-M5 F336W none none none none 1 N/A S 12C-SUB ANY 9 ACS/WFC ACCUM WFC2-FIX F850LP none none none none 1 N/A TEMP 10 WFC3/UVI ACCUM UVIS2-FI F336W none none none none 1 N/A S X TEMP 11 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB TEMP 12 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB TEMP 13 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB TEMP 14 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB ANY 15 ACS/WFC ACCUM WFC2-FIX F850LP none none none none 1 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 31] Visit: 13 (Epoch 3 Image) Visit Requirements: SAME ORIENT AS 11; AFTER 03 BY 0 H TO 4 H; ON HOLD On Hold Comments: ToO Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 TEMP WFC3/IR MULTIAC IRSUB512- F125W NSAMP=6, SAMP-SEQ=STEP25 1 DEF SEQ 1-9 NON-INT; PATTERN CUM FIX (73.509 S) 2 1-3 ------------------------------------------------------------------------------------------------------------------------------------ 2 TEMP WFC3/IR MULTIAC IRSUB512- F140W NSAMP=7, SAMP-SEQ=STEP25 1 DEF CUM FIX (119.352 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 TEMP WFC3/IR MULTIAC IRSUB512- F160W NSAMP=7, SAMP-SEQ=STEP25 1 DEF CUM FIX (119.352 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 TEMP WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 334 S (334 PAR 9 WITH 4-8 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 5 TEMP WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 67 S (67 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 6 TEMP WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 8 S (8 S) S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 7 TEMP WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 2 S (2 S) S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 8 TEMP WFC3/UVI ACCUM UVIS2-M51 F336W FLASH=20 1 50 S (50 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC2-FIX F850LP 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 TEMP WFC3/UVI ACCUM UVIS2-FIX F336W FLASH=20 1 50 S (50 POS TARG 0.099, 0.106 S S) ------------------------------------------------------------------------------------------------------------------------------------ 11 TEMP WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 334 S (334 POS TARG 0.099, 0.106; S 2C-SUB S) PAR 15 WITH 11-14 ------------------------------------------------------------------------------------------------------------------------------------ 12 TEMP WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 67 S (67 POS TARG 0.099, 0.106 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 13 TEMP WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 8 S (8 S) POS TARG 0.099, 0.106 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 18412( 12) - 21-Aug-2026 18:59:42 - [ 32] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 14 TEMP WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 2 S (2 S) POS TARG 0.099, 0.106 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 15 ANY ACS/WFC ACCUM WFC2-FIX F850LP 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ TEMP 1 WFC3/IR MULTIAC IRSUB512 F125W 1 none none none 1 N/A CUM -FIX TEMP 1 WFC3/IR MULTIAC IRSUB512 F125W 2 none none none 1 N/A CUM -FIX TEMP 2 WFC3/IR MULTIAC IRSUB512 F140W 1 none none none 1 N/A CUM -FIX TEMP 2 WFC3/IR MULTIAC IRSUB512 F140W 2 none none none 1 N/A CUM -FIX TEMP 3 WFC3/IR MULTIAC IRSUB512 F160W 1 none none none 1 N/A CUM -FIX TEMP 3 WFC3/IR MULTIAC IRSUB512 F160W 2 none none none 1 N/A CUM -FIX TEMP 4 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB TEMP 5 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB TEMP 6 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB TEMP 7 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB TEMP 8 WFC3/UVI ACCUM UVIS2-M5 F336W none none none none 1 N/A S 12C-SUB ANY 9 ACS/WFC ACCUM WFC2-FIX F850LP none none none none 1 N/A TEMP 10 WFC3/UVI ACCUM UVIS2-FI F336W none none none none 1 N/A S X TEMP 11 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB TEMP 12 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB TEMP 13 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB TEMP 14 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB ANY 15 ACS/WFC ACCUM WFC2-FIX F850LP none none none none 1 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 33] Visit: 14 (Epoch 4 Image) Visit Requirements: SAME ORIENT AS 11; AFTER 04 BY 0 H TO 4 H; ON HOLD On Hold Comments: ToO Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 TEMP WFC3/IR MULTIAC IRSUB512- F125W NSAMP=6, SAMP-SEQ=STEP25 1 DEF SEQ 1-9 NON-INT; PATTERN CUM FIX (73.509 S) 2 1-3 ------------------------------------------------------------------------------------------------------------------------------------ 2 TEMP WFC3/IR MULTIAC IRSUB512- F140W NSAMP=7, SAMP-SEQ=STEP25 1 DEF CUM FIX (119.352 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 TEMP WFC3/IR MULTIAC IRSUB512- F160W NSAMP=7, SAMP-SEQ=STEP25 1 DEF CUM FIX (119.352 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 TEMP WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 334 S (334 PAR 9 WITH 4-8 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 5 TEMP WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 67 S (67 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 6 TEMP WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 8 S (8 S) S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 7 TEMP WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 2 S (2 S) S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 8 TEMP WFC3/UVI ACCUM UVIS2-M51 F336W FLASH=20 1 50 S (50 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC2-FIX F850LP 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 TEMP WFC3/UVI ACCUM UVIS2-FIX F336W FLASH=20 1 50 S (50 POS TARG 0.099, 0.106 S S) ------------------------------------------------------------------------------------------------------------------------------------ 11 TEMP WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 334 S (334 POS TARG 0.099, 0.106; S 2C-SUB S) PAR 15 WITH 11-14 ------------------------------------------------------------------------------------------------------------------------------------ 12 TEMP WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 67 S (67 POS TARG 0.099, 0.106 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 13 TEMP WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 8 S (8 S) POS TARG 0.099, 0.106 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 18412( 12) - 21-Aug-2026 18:59:42 - [ 34] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 14 TEMP WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 2 S (2 S) POS TARG 0.099, 0.106 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 15 ANY ACS/WFC ACCUM WFC2-FIX F850LP 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ TEMP 1 WFC3/IR MULTIAC IRSUB512 F125W 1 none none none 1 N/A CUM -FIX TEMP 1 WFC3/IR MULTIAC IRSUB512 F125W 2 none none none 1 N/A CUM -FIX TEMP 2 WFC3/IR MULTIAC IRSUB512 F140W 1 none none none 1 N/A CUM -FIX TEMP 2 WFC3/IR MULTIAC IRSUB512 F140W 2 none none none 1 N/A CUM -FIX TEMP 3 WFC3/IR MULTIAC IRSUB512 F160W 1 none none none 1 N/A CUM -FIX TEMP 3 WFC3/IR MULTIAC IRSUB512 F160W 2 none none none 1 N/A CUM -FIX TEMP 4 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB TEMP 5 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB TEMP 6 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB TEMP 7 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB TEMP 8 WFC3/UVI ACCUM UVIS2-M5 F336W none none none none 1 N/A S 12C-SUB ANY 9 ACS/WFC ACCUM WFC2-FIX F850LP none none none none 1 N/A TEMP 10 WFC3/UVI ACCUM UVIS2-FI F336W none none none none 1 N/A S X TEMP 11 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB TEMP 12 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB TEMP 13 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB TEMP 14 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB ANY 15 ACS/WFC ACCUM WFC2-FIX F850LP none none none none 1 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 35] Visit: 15 (Epoch 5 Image) Visit Requirements: SAME ORIENT AS 11; AFTER 05 BY 0 H TO 4 H; ON HOLD On Hold Comments: ToO Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 TEMP WFC3/IR MULTIAC IRSUB512- F125W NSAMP=6, SAMP-SEQ=STEP25 1 DEF SEQ 1-9 NON-INT; PATTERN CUM FIX (73.509 S) 2 1-3 ------------------------------------------------------------------------------------------------------------------------------------ 2 TEMP WFC3/IR MULTIAC IRSUB512- F140W NSAMP=7, SAMP-SEQ=STEP25 1 DEF CUM FIX (119.352 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 TEMP WFC3/IR MULTIAC IRSUB512- F160W NSAMP=7, SAMP-SEQ=STEP25 1 DEF CUM FIX (119.352 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 TEMP WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 334 S (334 PAR 9 WITH 4-8 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 5 TEMP WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 67 S (67 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 6 TEMP WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 8 S (8 S) S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 7 TEMP WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 2 S (2 S) S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 8 TEMP WFC3/UVI ACCUM UVIS2-M51 F336W FLASH=20 1 50 S (50 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC2-FIX F850LP 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 TEMP WFC3/UVI ACCUM UVIS2-FIX F336W FLASH=20 1 50 S (50 POS TARG 0.099, 0.106 S S) ------------------------------------------------------------------------------------------------------------------------------------ 11 TEMP WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 334 S (334 POS TARG 0.099, 0.106; S 2C-SUB S) PAR 15 WITH 11-14 ------------------------------------------------------------------------------------------------------------------------------------ 12 TEMP WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 67 S (67 POS TARG 0.099, 0.106 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 13 TEMP WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 8 S (8 S) POS TARG 0.099, 0.106 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 18412( 12) - 21-Aug-2026 18:59:42 - [ 36] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 14 TEMP WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 2 S (2 S) POS TARG 0.099, 0.106 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 15 ANY ACS/WFC ACCUM WFC2-FIX F850LP 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ TEMP 1 WFC3/IR MULTIAC IRSUB512 F125W 1 none none none 1 N/A CUM -FIX TEMP 1 WFC3/IR MULTIAC IRSUB512 F125W 2 none none none 1 N/A CUM -FIX TEMP 2 WFC3/IR MULTIAC IRSUB512 F140W 1 none none none 1 N/A CUM -FIX TEMP 2 WFC3/IR MULTIAC IRSUB512 F140W 2 none none none 1 N/A CUM -FIX TEMP 3 WFC3/IR MULTIAC IRSUB512 F160W 1 none none none 1 N/A CUM -FIX TEMP 3 WFC3/IR MULTIAC IRSUB512 F160W 2 none none none 1 N/A CUM -FIX TEMP 4 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB TEMP 5 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB TEMP 6 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB TEMP 7 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB TEMP 8 WFC3/UVI ACCUM UVIS2-M5 F336W none none none none 1 N/A S 12C-SUB ANY 9 ACS/WFC ACCUM WFC2-FIX F850LP none none none none 1 N/A TEMP 10 WFC3/UVI ACCUM UVIS2-FI F336W none none none none 1 N/A S X TEMP 11 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB TEMP 12 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB TEMP 13 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB TEMP 14 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB ANY 15 ACS/WFC ACCUM WFC2-FIX F850LP none none none none 1 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 37] Visit: 16 (Epoch 6 Image) Visit Requirements: SAME ORIENT AS 11; AFTER 06 BY 0 H TO 4 H; ON HOLD On Hold Comments: ToO Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 TEMP WFC3/IR MULTIAC IRSUB512- F125W NSAMP=6, SAMP-SEQ=STEP25 1 DEF SEQ 1-9 NON-INT; PATTERN CUM FIX (73.509 S) 2 1-3 ------------------------------------------------------------------------------------------------------------------------------------ 2 TEMP WFC3/IR MULTIAC IRSUB512- F140W NSAMP=7, SAMP-SEQ=STEP25 1 DEF CUM FIX (119.352 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 TEMP WFC3/IR MULTIAC IRSUB512- F160W NSAMP=7, SAMP-SEQ=STEP25 1 DEF CUM FIX (119.352 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 TEMP WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 334 S (334 PAR 9 WITH 4-8 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 5 TEMP WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 67 S (67 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 6 TEMP WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 8 S (8 S) S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 7 TEMP WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 2 S (2 S) S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 8 TEMP WFC3/UVI ACCUM UVIS2-M51 F336W FLASH=20 1 50 S (50 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC2-FIX F850LP 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 TEMP WFC3/UVI ACCUM UVIS2-FIX F336W FLASH=20 1 50 S (50 POS TARG 0.099, 0.106 S S) ------------------------------------------------------------------------------------------------------------------------------------ 11 TEMP WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 334 S (334 POS TARG 0.099, 0.106; S 2C-SUB S) PAR 15 WITH 11-14 ------------------------------------------------------------------------------------------------------------------------------------ 12 TEMP WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 67 S (67 POS TARG 0.099, 0.106 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 13 TEMP WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 8 S (8 S) POS TARG 0.099, 0.106 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 18412( 12) - 21-Aug-2026 18:59:42 - [ 38] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 14 TEMP WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 2 S (2 S) POS TARG 0.099, 0.106 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 15 ANY ACS/WFC ACCUM WFC2-FIX F850LP 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ TEMP 1 WFC3/IR MULTIAC IRSUB512 F125W 1 none none none 1 N/A CUM -FIX TEMP 1 WFC3/IR MULTIAC IRSUB512 F125W 2 none none none 1 N/A CUM -FIX TEMP 2 WFC3/IR MULTIAC IRSUB512 F140W 1 none none none 1 N/A CUM -FIX TEMP 2 WFC3/IR MULTIAC IRSUB512 F140W 2 none none none 1 N/A CUM -FIX TEMP 3 WFC3/IR MULTIAC IRSUB512 F160W 1 none none none 1 N/A CUM -FIX TEMP 3 WFC3/IR MULTIAC IRSUB512 F160W 2 none none none 1 N/A CUM -FIX TEMP 4 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB TEMP 5 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB TEMP 6 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB TEMP 7 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB TEMP 8 WFC3/UVI ACCUM UVIS2-M5 F336W none none none none 1 N/A S 12C-SUB ANY 9 ACS/WFC ACCUM WFC2-FIX F850LP none none none none 1 N/A TEMP 10 WFC3/UVI ACCUM UVIS2-FI F336W none none none none 1 N/A S X TEMP 11 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB TEMP 12 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB TEMP 13 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB TEMP 14 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB ANY 15 ACS/WFC ACCUM WFC2-FIX F850LP none none none none 1 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 39] Visit: 17 (Epoch 7 Image) Visit Requirements: SAME ORIENT AS 11; AFTER 07 BY 0 H TO 4 H; ON HOLD On Hold Comments: ToO Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 TEMP WFC3/IR MULTIAC IRSUB512- F125W NSAMP=6, SAMP-SEQ=STEP25 1 DEF SEQ 1-9 NON-INT; PATTERN CUM FIX (73.509 S) 2 1-3 ------------------------------------------------------------------------------------------------------------------------------------ 2 TEMP WFC3/IR MULTIAC IRSUB512- F140W NSAMP=7, SAMP-SEQ=STEP25 1 DEF CUM FIX (119.352 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 TEMP WFC3/IR MULTIAC IRSUB512- F160W NSAMP=7, SAMP-SEQ=STEP25 1 DEF CUM FIX (119.352 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 TEMP WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 334 S (334 PAR 9 WITH 4-8 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 5 TEMP WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 67 S (67 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 6 TEMP WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 8 S (8 S) S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 7 TEMP WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 2 S (2 S) S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 8 TEMP WFC3/UVI ACCUM UVIS2-M51 F336W FLASH=20 1 50 S (50 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC2-FIX F850LP 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 TEMP WFC3/UVI ACCUM UVIS2-FIX F336W FLASH=20 1 50 S (50 POS TARG 0.099, 0.106 S S) ------------------------------------------------------------------------------------------------------------------------------------ 11 TEMP WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 334 S (334 POS TARG 0.099, 0.106; S 2C-SUB S) PAR 15 WITH 11-14 ------------------------------------------------------------------------------------------------------------------------------------ 12 TEMP WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 67 S (67 POS TARG 0.099, 0.106 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 13 TEMP WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 8 S (8 S) POS TARG 0.099, 0.106 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 18412( 12) - 21-Aug-2026 18:59:42 - [ 40] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 14 TEMP WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 2 S (2 S) POS TARG 0.099, 0.106 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 15 ANY ACS/WFC ACCUM WFC2-FIX F850LP 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ TEMP 1 WFC3/IR MULTIAC IRSUB512 F125W 1 none none none 1 N/A CUM -FIX TEMP 1 WFC3/IR MULTIAC IRSUB512 F125W 2 none none none 1 N/A CUM -FIX TEMP 2 WFC3/IR MULTIAC IRSUB512 F140W 1 none none none 1 N/A CUM -FIX TEMP 2 WFC3/IR MULTIAC IRSUB512 F140W 2 none none none 1 N/A CUM -FIX TEMP 3 WFC3/IR MULTIAC IRSUB512 F160W 1 none none none 1 N/A CUM -FIX TEMP 3 WFC3/IR MULTIAC IRSUB512 F160W 2 none none none 1 N/A CUM -FIX TEMP 4 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB TEMP 5 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB TEMP 6 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB TEMP 7 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB TEMP 8 WFC3/UVI ACCUM UVIS2-M5 F336W none none none none 1 N/A S 12C-SUB ANY 9 ACS/WFC ACCUM WFC2-FIX F850LP none none none none 1 N/A TEMP 10 WFC3/UVI ACCUM UVIS2-FI F336W none none none none 1 N/A S X TEMP 11 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB TEMP 12 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB TEMP 13 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB TEMP 14 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB ANY 15 ACS/WFC ACCUM WFC2-FIX F850LP none none none none 1 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 41] Visit: 18 (Epoch 8 Image) Visit Requirements: SAME ORIENT AS 11; AFTER 08 BY 0 H TO 4 H; ON HOLD On Hold Comments: ToO Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 TEMP WFC3/IR MULTIAC IRSUB512- F125W NSAMP=6, SAMP-SEQ=STEP25 1 DEF SEQ 1-9 NON-INT; PATTERN CUM FIX (73.509 S) 2 1-3 ------------------------------------------------------------------------------------------------------------------------------------ 2 TEMP WFC3/IR MULTIAC IRSUB512- F140W NSAMP=7, SAMP-SEQ=STEP25 1 DEF CUM FIX (119.352 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 TEMP WFC3/IR MULTIAC IRSUB512- F160W NSAMP=7, SAMP-SEQ=STEP25 1 DEF CUM FIX (119.352 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 TEMP WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 334 S (334 PAR 9 WITH 4-8 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 5 TEMP WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 67 S (67 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 6 TEMP WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 8 S (8 S) S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 7 TEMP WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 2 S (2 S) S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 8 TEMP WFC3/UVI ACCUM UVIS2-M51 F336W FLASH=20 1 50 S (50 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC2-FIX F850LP 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 TEMP WFC3/UVI ACCUM UVIS2-FIX F336W FLASH=20 1 50 S (50 POS TARG 0.099, 0.106 S S) ------------------------------------------------------------------------------------------------------------------------------------ 11 TEMP WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 334 S (334 POS TARG 0.099, 0.106; S 2C-SUB S) PAR 15 WITH 11-14 ------------------------------------------------------------------------------------------------------------------------------------ 12 TEMP WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 67 S (67 POS TARG 0.099, 0.106 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 13 TEMP WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 8 S (8 S) POS TARG 0.099, 0.106 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 18412( 12) - 21-Aug-2026 18:59:42 - [ 42] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 14 TEMP WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 2 S (2 S) POS TARG 0.099, 0.106 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 15 ANY ACS/WFC ACCUM WFC2-FIX F850LP 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ TEMP 1 WFC3/IR MULTIAC IRSUB512 F125W 1 none none none 1 N/A CUM -FIX TEMP 1 WFC3/IR MULTIAC IRSUB512 F125W 2 none none none 1 N/A CUM -FIX TEMP 2 WFC3/IR MULTIAC IRSUB512 F140W 1 none none none 1 N/A CUM -FIX TEMP 2 WFC3/IR MULTIAC IRSUB512 F140W 2 none none none 1 N/A CUM -FIX TEMP 3 WFC3/IR MULTIAC IRSUB512 F160W 1 none none none 1 N/A CUM -FIX TEMP 3 WFC3/IR MULTIAC IRSUB512 F160W 2 none none none 1 N/A CUM -FIX TEMP 4 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB TEMP 5 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB TEMP 6 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB TEMP 7 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB TEMP 8 WFC3/UVI ACCUM UVIS2-M5 F336W none none none none 1 N/A S 12C-SUB ANY 9 ACS/WFC ACCUM WFC2-FIX F850LP none none none none 1 N/A TEMP 10 WFC3/UVI ACCUM UVIS2-FI F336W none none none none 1 N/A S X TEMP 11 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB TEMP 12 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB TEMP 13 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB TEMP 14 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB ANY 15 ACS/WFC ACCUM WFC2-FIX F850LP none none none none 1 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 43] Visit: 19 (Epoch 9 Image) Visit Requirements: SAME ORIENT AS 11; AFTER 09 BY 0 H TO 4 H; ON HOLD On Hold Comments: ToO Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 TEMP WFC3/IR MULTIAC IRSUB512- F125W NSAMP=6, SAMP-SEQ=STEP25 1 DEF SEQ 1-9 NON-INT; PATTERN CUM FIX (73.509 S) 2 1-3 ------------------------------------------------------------------------------------------------------------------------------------ 2 TEMP WFC3/IR MULTIAC IRSUB512- F140W NSAMP=7, SAMP-SEQ=STEP25 1 DEF CUM FIX (119.352 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 TEMP WFC3/IR MULTIAC IRSUB512- F160W NSAMP=7, SAMP-SEQ=STEP25 1 DEF CUM FIX (119.352 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 TEMP WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 334 S (334 PAR 9 WITH 4-8 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 5 TEMP WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 67 S (67 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 6 TEMP WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 8 S (8 S) S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 7 TEMP WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 2 S (2 S) S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 8 TEMP WFC3/UVI ACCUM UVIS2-M51 F336W FLASH=20 1 50 S (50 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC2-FIX F850LP 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 TEMP WFC3/UVI ACCUM UVIS2-FIX F336W FLASH=20 1 50 S (50 POS TARG 0.099, 0.106 S S) ------------------------------------------------------------------------------------------------------------------------------------ 11 TEMP WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 334 S (334 POS TARG 0.099, 0.106; S 2C-SUB S) PAR 15 WITH 11-14 ------------------------------------------------------------------------------------------------------------------------------------ 12 TEMP WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 67 S (67 POS TARG 0.099, 0.106 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 13 TEMP WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 8 S (8 S) POS TARG 0.099, 0.106 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 18412( 12) - 21-Aug-2026 18:59:42 - [ 44] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 14 TEMP WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 2 S (2 S) POS TARG 0.099, 0.106 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 15 ANY ACS/WFC ACCUM WFC2-FIX F850LP 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ TEMP 1 WFC3/IR MULTIAC IRSUB512 F125W 1 none none none 1 N/A CUM -FIX TEMP 1 WFC3/IR MULTIAC IRSUB512 F125W 2 none none none 1 N/A CUM -FIX TEMP 2 WFC3/IR MULTIAC IRSUB512 F140W 1 none none none 1 N/A CUM -FIX TEMP 2 WFC3/IR MULTIAC IRSUB512 F140W 2 none none none 1 N/A CUM -FIX TEMP 3 WFC3/IR MULTIAC IRSUB512 F160W 1 none none none 1 N/A CUM -FIX TEMP 3 WFC3/IR MULTIAC IRSUB512 F160W 2 none none none 1 N/A CUM -FIX TEMP 4 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB TEMP 5 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB TEMP 6 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB TEMP 7 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB TEMP 8 WFC3/UVI ACCUM UVIS2-M5 F336W none none none none 1 N/A S 12C-SUB ANY 9 ACS/WFC ACCUM WFC2-FIX F850LP none none none none 1 N/A TEMP 10 WFC3/UVI ACCUM UVIS2-FI F336W none none none none 1 N/A S X TEMP 11 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB TEMP 12 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB TEMP 13 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB TEMP 14 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB ANY 15 ACS/WFC ACCUM WFC2-FIX F850LP none none none none 1 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 45] Visit: 20 (Epoch 10 Image) Visit Requirements: SAME ORIENT AS 11; AFTER 10 BY 0 H TO 4 H; ON HOLD On Hold Comments: ToO Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 TEMP WFC3/IR MULTIAC IRSUB512- F125W NSAMP=6, SAMP-SEQ=STEP25 1 DEF SEQ 1-9 NON-INT; PATTERN CUM FIX (73.509 S) 2 1-3 ------------------------------------------------------------------------------------------------------------------------------------ 2 TEMP WFC3/IR MULTIAC IRSUB512- F140W NSAMP=7, SAMP-SEQ=STEP25 1 DEF CUM FIX (119.352 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 TEMP WFC3/IR MULTIAC IRSUB512- F160W NSAMP=7, SAMP-SEQ=STEP25 1 DEF CUM FIX (119.352 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 TEMP WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 334 S (334 PAR 9 WITH 4-8 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 5 TEMP WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 67 S (67 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 6 TEMP WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 8 S (8 S) S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 7 TEMP WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 2 S (2 S) S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 8 TEMP WFC3/UVI ACCUM UVIS2-M51 F336W FLASH=20 1 50 S (50 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC2-FIX F850LP 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 TEMP WFC3/UVI ACCUM UVIS2-FIX F336W FLASH=20 1 50 S (50 POS TARG 0.099, 0.106 S S) ------------------------------------------------------------------------------------------------------------------------------------ 11 TEMP WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 334 S (334 POS TARG 0.099, 0.106; S 2C-SUB S) PAR 15 WITH 11-14 ------------------------------------------------------------------------------------------------------------------------------------ 12 TEMP WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 67 S (67 POS TARG 0.099, 0.106 S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 13 TEMP WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 8 S (8 S) POS TARG 0.099, 0.106 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 18412( 12) - 21-Aug-2026 18:59:42 - [ 46] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 14 TEMP WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 2 S (2 S) POS TARG 0.099, 0.106 S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 15 ANY ACS/WFC ACCUM WFC2-FIX F850LP 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ TEMP 1 WFC3/IR MULTIAC IRSUB512 F125W 1 none none none 1 N/A CUM -FIX TEMP 1 WFC3/IR MULTIAC IRSUB512 F125W 2 none none none 1 N/A CUM -FIX TEMP 2 WFC3/IR MULTIAC IRSUB512 F140W 1 none none none 1 N/A CUM -FIX TEMP 2 WFC3/IR MULTIAC IRSUB512 F140W 2 none none none 1 N/A CUM -FIX TEMP 3 WFC3/IR MULTIAC IRSUB512 F160W 1 none none none 1 N/A CUM -FIX TEMP 3 WFC3/IR MULTIAC IRSUB512 F160W 2 none none none 1 N/A CUM -FIX TEMP 4 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB TEMP 5 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB TEMP 6 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB TEMP 7 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB TEMP 8 WFC3/UVI ACCUM UVIS2-M5 F336W none none none none 1 N/A S 12C-SUB ANY 9 ACS/WFC ACCUM WFC2-FIX F850LP none none none none 1 N/A TEMP 10 WFC3/UVI ACCUM UVIS2-FI F336W none none none none 1 N/A S X TEMP 11 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB TEMP 12 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB TEMP 13 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB TEMP 14 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB ANY 15 ACS/WFC ACCUM WFC2-FIX F850LP none none none none 1 N/A 18412( 12) - 21-Aug-2026 18:59:42 - [ 47] Visit: 21 (Epoch 11 Image) Visit Requirements: SAME ORIENT AS 11; AFTER 01 BY 44 D TO 52 D; ON HOLD On Hold Comments: ToO Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SN-OF-THE-Y WFC3/IR MULTIAC IRSUB512 F125W NSAMP=8, SAMP-SEQ=STEP25 1 DEF SEQ 1-3 NON-INT; PATTERN EAR CUM (165.194 2 1-3 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN-OF-THE-Y WFC3/IR MULTIAC IRSUB512 F140W NSAMP=10, SAMP-SEQ=STEP25 1 DEF EAR CUM (256.879 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SN-OF-THE-Y WFC3/IR MULTIAC IRSUB512 F160W NSAMP=10, SAMP-SEQ=STEP25 1 DEF EAR CUM (256.879 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 650 S (650 PAR 9 WITH 4-8 EAR S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 134 S (134 EAR S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 16 S (16 EAR S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 7 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 4 S (4 S) EAR S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 8 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-M51 F336W FLASH=20 1 100 S (100 EAR S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC2-FIX F850LP 2 450 S (900 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 2 650 S PAR 15-16 WITH 10-14 EAR S 2C-SUB (1300 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 134 S (134 EAR S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 12 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 16 S (16 EAR S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 13 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 4 S (4 S) EAR S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 18412( 12) - 21-Aug-2026 18:59:42 - [ 48] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 14 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-M51 F336W FLASH=20 1 100 S (100 EAR S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 15 ANY ACS/WFC ACCUM WFC2-FIX F555W 2 350 S (700 S) ------------------------------------------------------------------------------------------------------------------------------------ 16 ANY ACS/WFC ACCUM WFC2-FIX F814W 2 350 S (700 S) ------------------------------------------------------------------------------------------------------------------------------------ 17 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-FIX F336W FLASH=20 1 50 S (50 POS TARG 0.099, 0.106 EAR S S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ SN-OF-THE-YEAR 1 WFC3/IR MULTIAC IRSUB512 F125W 1 none none none 1 N/A CUM SN-OF-THE-YEAR 1 WFC3/IR MULTIAC IRSUB512 F125W 2 none none none 1 N/A CUM SN-OF-THE-YEAR 2 WFC3/IR MULTIAC IRSUB512 F140W 1 none none none 1 N/A CUM SN-OF-THE-YEAR 2 WFC3/IR MULTIAC IRSUB512 F140W 2 none none none 1 N/A CUM SN-OF-THE-YEAR 3 WFC3/IR MULTIAC IRSUB512 F160W 1 none none none 1 N/A CUM SN-OF-THE-YEAR 3 WFC3/IR MULTIAC IRSUB512 F160W 2 none none none 1 N/A CUM SN-OF-THE-YEAR 4 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB SN-OF-THE-YEAR 5 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB SN-OF-THE-YEAR 6 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB SN-OF-THE-YEAR 7 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB SN-OF-THE-YEAR 8 WFC3/UVI ACCUM UVIS2-M5 F336W none none none none 1 N/A S 12C-SUB ANY 9 ACS/WFC ACCUM WFC2-FIX F850LP none none 1 none 1 N/A ANY 9 ACS/WFC ACCUM WFC2-FIX F850LP none none 2 none 1 N/A SN-OF-THE-YEAR 10 WFC3/UVI ACCUM UVIS2-M5 F218W none none 1 none 2 N/A S 12C-SUB SN-OF-THE-YEAR 10 WFC3/UVI ACCUM UVIS2-M5 F218W none none 2 none 2 N/A S 12C-SUB 18412( 12) - 21-Aug-2026 18:59:42 - [ 49] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ SN-OF-THE-YEAR 11 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 2 N/A S 12C-SUB SN-OF-THE-YEAR 12 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 2 N/A S 12C-SUB SN-OF-THE-YEAR 13 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 2 N/A S 12C-SUB SN-OF-THE-YEAR 14 WFC3/UVI ACCUM UVIS2-M5 F336W none none none none 2 N/A S 12C-SUB ANY 15 ACS/WFC ACCUM WFC2-FIX F555W none none 1 none 2 N/A ANY 15 ACS/WFC ACCUM WFC2-FIX F555W none none 2 none 2 N/A ANY 16 ACS/WFC ACCUM WFC2-FIX F814W none none 1 none 2 N/A ANY 16 ACS/WFC ACCUM WFC2-FIX F814W none none 2 none 2 N/A SN-OF-THE-YEAR 17 WFC3/UVI ACCUM UVIS2-FI F336W none none none none 2 N/A S X 18412( 12) - 21-Aug-2026 18:59:42 - [ 50] Visit: 22 (Epoch 12 Image) Visit Requirements: SAME ORIENT AS 11; AFTER 01 BY 59 D TO 67 D; ON HOLD On Hold Comments: ToO Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 SN-OF-THE-Y WFC3/IR MULTIAC IRSUB512 F125W NSAMP=8, SAMP-SEQ=STEP25 1 DEF SEQ 1-3 NON-INT; PATTERN EAR CUM (165.194 2 1-3 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 SN-OF-THE-Y WFC3/IR MULTIAC IRSUB512 F140W NSAMP=10, SAMP-SEQ=STEP25 1 DEF EAR CUM (256.879 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SN-OF-THE-Y WFC3/IR MULTIAC IRSUB512 F160W NSAMP=10, SAMP-SEQ=STEP25 1 DEF EAR CUM (256.879 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 1 650 S (650 PAR 9 WITH 4-8 EAR S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 134 S (134 EAR S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 6 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 16 S (16 EAR S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 7 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 4 S (4 S) EAR S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 8 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-M51 F336W FLASH=20 1 100 S (100 EAR S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC2-FIX F850LP 2 450 S (900 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-M51 F218W FLASH=20 2 650 S PAR 15-16 WITH 10-14 EAR S 2C-SUB (1300 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-M51 F225W FLASH=20 1 134 S (134 EAR S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 12 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-M51 F275W FLASH=20 1 16 S (16 EAR S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 13 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-M51 F300X FLASH=20 1 4 S (4 S) EAR S 2C-SUB ------------------------------------------------------------------------------------------------------------------------------------ 18412( 12) - 21-Aug-2026 18:59:42 - [ 51] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 14 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-M51 F336W FLASH=20 1 100 S (100 EAR S 2C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 15 ANY ACS/WFC ACCUM WFC2-FIX F555W 2 350 S (700 S) ------------------------------------------------------------------------------------------------------------------------------------ 16 ANY ACS/WFC ACCUM WFC2-FIX F814W 2 350 S (700 S) ------------------------------------------------------------------------------------------------------------------------------------ 17 SN-OF-THE-Y WFC3/UVI ACCUM UVIS2-FIX F336W FLASH=20 1 50 S (50 POS TARG 0.099, 0.106 EAR S S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ SN-OF-THE-YEAR 1 WFC3/IR MULTIAC IRSUB512 F125W 1 none none none 1 N/A CUM SN-OF-THE-YEAR 1 WFC3/IR MULTIAC IRSUB512 F125W 2 none none none 1 N/A CUM SN-OF-THE-YEAR 2 WFC3/IR MULTIAC IRSUB512 F140W 1 none none none 1 N/A CUM SN-OF-THE-YEAR 2 WFC3/IR MULTIAC IRSUB512 F140W 2 none none none 1 N/A CUM SN-OF-THE-YEAR 3 WFC3/IR MULTIAC IRSUB512 F160W 1 none none none 1 N/A CUM SN-OF-THE-YEAR 3 WFC3/IR MULTIAC IRSUB512 F160W 2 none none none 1 N/A CUM SN-OF-THE-YEAR 4 WFC3/UVI ACCUM UVIS2-M5 F218W none none none none 1 N/A S 12C-SUB SN-OF-THE-YEAR 5 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 1 N/A S 12C-SUB SN-OF-THE-YEAR 6 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 1 N/A S 12C-SUB SN-OF-THE-YEAR 7 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 1 N/A S 12C-SUB SN-OF-THE-YEAR 8 WFC3/UVI ACCUM UVIS2-M5 F336W none none none none 1 N/A S 12C-SUB ANY 9 ACS/WFC ACCUM WFC2-FIX F850LP none none 1 none 1 N/A ANY 9 ACS/WFC ACCUM WFC2-FIX F850LP none none 2 none 1 N/A SN-OF-THE-YEAR 10 WFC3/UVI ACCUM UVIS2-M5 F218W none none 1 none 2 N/A S 12C-SUB SN-OF-THE-YEAR 10 WFC3/UVI ACCUM UVIS2-M5 F218W none none 2 none 2 N/A S 12C-SUB 18412( 12) - 21-Aug-2026 18:59:42 - [ 52] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ SN-OF-THE-YEAR 11 WFC3/UVI ACCUM UVIS2-M5 F225W none none none none 2 N/A S 12C-SUB SN-OF-THE-YEAR 12 WFC3/UVI ACCUM UVIS2-M5 F275W none none none none 2 N/A S 12C-SUB SN-OF-THE-YEAR 13 WFC3/UVI ACCUM UVIS2-M5 F300X none none none none 2 N/A S 12C-SUB SN-OF-THE-YEAR 14 WFC3/UVI ACCUM UVIS2-M5 F336W none none none none 2 N/A S 12C-SUB ANY 15 ACS/WFC ACCUM WFC2-FIX F555W none none 1 none 2 N/A ANY 15 ACS/WFC ACCUM WFC2-FIX F555W none none 2 none 2 N/A ANY 16 ACS/WFC ACCUM WFC2-FIX F814W none none 1 none 2 N/A ANY 16 ACS/WFC ACCUM WFC2-FIX F814W none none 2 none 2 N/A SN-OF-THE-YEAR 17 WFC3/UVI ACCUM UVIS2-FI F336W none none none none 2 N/A S X 18412( 12) - 21-Aug-2026 18:59:42 - [ 53] Summary Form for Proposal 18412 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures 52X0.1, 52X0.2, 52X0.2E1, F28X50LP, IR-UVIS, IRSUB512, IRSUB512-FIX, UVIS, UVIS2-FIX, UVIS2-M512C-SUB, WFC2-FIX ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC, STIS/CCD, STIS/NUV-MAMA, WFC3/IR, WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM, ACQ, MULTIACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters CR-SPLIT=2, FLASH=10, FLASH=20, FLASH=5, NSAMP=10, NSAMP=6, NSAMP=7, NSAMP=8, SAMP-SEQ=SPARS200, SAMP-SEQ=STEP25, WAVECAL=NO ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements AFTER 01 BY 0 H TO 4 H, AFTER 01 BY 11 D TO 13 D, AFTER 01 BY 14 D TO 16 D, AFTER 01 BY 17 D TO 19 D, AFTER 01 BY 2 D TO 3 D, AFTER 01 BY 20 D TO 22 D, AFTER 01 BY 26 D TO 32 D, AFTER 01 BY 4 D TO 5 D, AFTER 01 BY 44 D TO 52 D, AFTER 01 BY 59 D TO 67 D, AFTER 01 BY 6 D TO 7 D, AFTER 01 BY 8 D TO 10 D, AFTER 02 BY 0 H TO 4 H, AFTER 03 BY 0 H TO 4 H, AFTER 04 BY 0 H TO 4 H, AFTER 05 BY 0 H TO 4 H, AFTER 06 BY 0 H TO 4 H, AFTER 07 BY 0 H TO 4 H, AFTER 08 BY 0 H TO 4 H, AFTER 09 BY 0 H TO 4 H, AFTER 10 BY 0 H TO 4 H, ON HOLD , ORIENT -15D TO 15D FROM 01, PAR 13 WITH 11-12, PAR 15 WITH 11-14, PAR 15-16 WITH 10-14, PAR 4-5 WITH 2-3, PAR 8 WITH 6-7, PAR 9 WITH 4-8, PATTERN 2 1-3, POS TARG 0.0, 0.5, POS TARG 0.099, 0.106, SAME ORIENT AS 01, SAME ORIENT AS 11, SCHED 100%, SEQ 1-3 NON-INT, SEQ 1-9 NON-INT, TOO MAX RESPONSE TIME 5.0D, TOO MIN RESPONSE TIME 2.0D ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F125W, F140W, F160W, F218W, F225W, F275W, F300X, F336W, F350LP, F555W, F814W, F850LP, G230L, G430L, G750L, MIRROR ------------------------------------------------------------------------------------------------------------------------------------ Target Names ANY, CCDFLAT, SN-OF-THE-YEAR, TEMP, WAVE ------------------------------------------------------------------------------------------------------------------------------------