18362( 2) - 19-Aug-2026 13:22:59 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 18362 Version: 2 Check-in Time: 19-Aug-2026 13:22:59 STScI Edit Number: 0 Title Pathfinding Efficient Unbiased Measurements of Cold H2 in the SMC via Far-UV Extinction ------------------------------------------------------------------------------------ Type Cycle GO 34 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Christopher Clark Space Telescope Science Institute - ESA - Y JWST CoI: Dr. Christina Willecke Lindberg Smithsonian Institution Astrophysical N Observatory CoI: Dr. Karl D. Gordon Space Telescope Science Institute N CoI: Dr. Claire E. Murray Space Telescope Science Institute N CoI: Dr. Dries Van De Putte The University of Western Ontario N CoI: Dr. Karin Marie Sandstrom University of California - San Diego N CoI: Dr. Petia Yanchulova Bulgarian Academy of Sciences N CoI: Dr. Logan H Jones Space Telescope Science Institute N CoI: Dr. Elizabeth Tarantino Space Telescope Science Institute N ------------------------------------------------------------------------------------ Abstract Despite its importance to star formation and to the properties of the ISM in general, it is almost impossible to get direct, unbiased measurements of cold H2 (without costly extreme-UV spectra that no current facility can observe). This forces us to use imperfect proxies, such as CO, which are known to have major systematic errors in different environments -- especially with varying metallicity. However, a recent discovery has revealed that the column density of cold H2 is almost perfectly correlated with the strength of the far-UV rise in the dust extinction curve, apparently because the small dust grains responsible for the FUV rise are also the primary H2 formation sites. We propose using four ACS/SBC filters to observe two fields in the SMC in the FUV, to perform star-by-star measurements of the far-UV rise, and hence H2 column density, towards >135 stars. This program will provide proof-of-concept of this new efficient way of obtaining high-resolution measurements of H2 to inform HWO development -- and it will probe the molecular gas and dust properties towards two low-metallicity regions with prior evidence for CO-dark H2, and striking variations in dust properties. ------------------------------------------------------------------------------------ Observations Description ------------------------ We note that in the Special Requirements of the Phase I proposal, we requested that these observations are not observed consecutively with any other SBC observations, so that the raised detector temperature does not cause increased dark current. Our targets are in a highly-observable region of the sky, schedulable for about 100 days a year, in multi-week blocks spaced evenly throughout the cycle, so we hope this does not make things difficult for the scheduling team. There is no GALEX coverage for the bulk of the SMC, and DSS/GSC data provides insufficient spectral information. Therefore, for bright object protection, we 18362( 2) - 19-Aug-2026 13:22:59 - [ 2] used the U-SMAC II catalog (Hota et al., 2024). This is an Astrosat/UVIT/F172M (Tandon et al., 2020) FUV catalog of most of the SMC, including the entire vicinity of our target regions. Assuming a "worst-case scenario" unattenuated O5V spectrum, the SBC screening limit of 50 count/sec/pix in the F125LP filter (our highest-throughput filter) corresponds to UVOT/F172M mag_AB of 17.5. An example of the ETC calculation showing this can be found at ETC Request ID: ACS.im.2366257. No sources with UVIT/F172M mag_AB brighter than 17.5 lie within the 70 arcsecond diameter BOP screening circles centred on each of our target positions. The U-SMAC II catalog can be downloaded from VizieR: http://cdsarc.u-strasbg.fr/viz-bin/qcat?J/AJ/168/255. We are happy to provide additional details of our this BOP analysis, as needed. Our observations target a number of fields towards two molecular cloud regions in the SMC, N13 and B-1, with 12 and 8 SBC fields respectively. Each SBC field will be observed in F125LP, F140LP, F150LP, and F1650LP. The F165LP, F150LP, and F125LP observations for each field will be done together in one 1-orbit visit (with the filters arranged so that those most susceptible to temperature-induced dark current are observed first, when the instrument will be cooler). The F140LP observations are then done using visits that observe 4 fields in 1 orbit. Our fields are arranged to providing our desired tiling regardless of orient. ------------------------------------------------------------------------------------ 18362( 2) - 19-Aug-2026 13:22:59 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 3 B-1-REG1 GALAXY, DUST LANE RA=00H45M27.0480S, J2000 V = 16 DEC=-73D17'29.04" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 4 B-1-REG2 GALAXY, DUST LANE RA=00H45M24.0240S, J2000 V = 16 DEC=-73D17'51.72" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 5 B-1-REG3 GALAXY, DUST LANE RA=00H45M21.0000S, J2000 V = 16 DEC=-73D18'14.04" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 6 B-1-REG4 GALAXY, DUST LANE RA=00H45M24.0240S, J2000 V = 16 DEC=-73D18'36.72" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 7 B-1-REG5 GALAXY, DUST LANE RA=00H45M21.0000S, J2000 V = 16 DEC=-73D18'59.04" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 8 B-1-REG6 GALAXY, DUST LANE RA=00H45M27.0480S, J2000 V = 16 DEC=-73D18'14.04" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 9 B-1-REG7 GALAXY, DUST LANE RA=00H45M24.7978S, J2000 V = 16 DEC=-73D18'58.27" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 10 B-1-REG8 GALAXY, DUST LANE RA=00H45M24.0240S, J2000 V = 16 DEC=-73D19'21.72" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 11 N13-REG1 GALAXY, DUST LANE RA=00H45M40.7599S, J2000 V = 16 DEC=-73D21'17.22" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 12 N13-REG2 GALAXY, DUST LANE RA=00H45M36.4098S, J2000 V = 16 DEC=-73D21'37.74" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 13 N13-REG3 GALAXY, DUST LANE RA=00H45M37.5673S, J2000 V = 16 DEC=-73D22'0.67" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 14 N13-REG4 GALAXY, DUST LANE RA=00H45M32.3555S, J2000 V = 16 DEC=-73D22'13.62" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 18362( 2) - 19-Aug-2026 13:22:59 - [ 4] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 15 N13-REG5 GALAXY, DUST LANE RA=00H45M38.1600S, J2000 V = 16 DEC=-73D22'24.24" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 16 N13-REG6 GALAXY, DUST LANE RA=00H45M44.1879S, J2000 V = 16 DEC=-73D22'25.48" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 17 N13-REG7 GALAXY, DUST LANE RA=00H45M48.9279S, J2000 V = 16 DEC=-73D22'40.21" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 18 N13-REG8 GALAXY, DUST LANE RA=00H45M35.0880S, J2000 V = 16 DEC=-73D22'40.44" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 19 N13-REG9 GALAXY, DUST LANE RA=00H45M54.4964S, J2000 V = 16 DEC=-73D22'43.18" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 20 N13-REG10 GALAXY, DUST LANE RA=00H45M43.6631S, J2000 V = 16 DEC=-73D22'53.05" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 21 N13-REG11 GALAXY, DUST LANE RA=00H45M12.2160S, J2000 V = 16 DEC=-73D22'41.88" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 22 N13-REG12 GALAXY, DUST LANE RA=00H45M15.0907S, J2000 V = 16 DEC=-73D23'0.32" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 18362( 2) - 19-Aug-2026 13:22:59 - [ 5] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type ACS-SBC-DITHER-LINE Pattern_Purpose DITHER Number_Of_Points 2 Point_Spacing 0.472 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 44.4 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ 18362( 2) - 19-Aug-2026 13:22:59 - [ 6] Visit: 01 (B-1 Reg_1 F165LP_F150LP_F125LP) Visit Requirements: 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 B-1-REG1 ACS/SBC ACCUM SBC-FIX F165LP 1 565 S PATTERN 1 1 (1130 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 B-1-REG1 ACS/SBC ACCUM SBC-FIX F150LP 1 175 S (350 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 B-1-REG1 ACS/SBC ACCUM SBC-FIX F125LP 1 400 S (800 PATTERN 1 3 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 | ------------------------------------------------------------------------------------------------------------------------------------ B-1-REG1 1 ACS/SBC ACCUM SBC-FIX F165LP 1 none none none 1 N/A B-1-REG1 1 ACS/SBC ACCUM SBC-FIX F165LP 2 none none none 1 N/A B-1-REG1 2 ACS/SBC ACCUM SBC-FIX F150LP 1 none none none 1 N/A B-1-REG1 2 ACS/SBC ACCUM SBC-FIX F150LP 2 none none none 1 N/A B-1-REG1 3 ACS/SBC ACCUM SBC-FIX F125LP 1 none none none 1 N/A B-1-REG1 3 ACS/SBC ACCUM SBC-FIX F125LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 7] Visit: 02 (B-1 Reg_2 F165LP_F150LP_F125LP) Visit Requirements: 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 B-1-REG2 ACS/SBC ACCUM SBC-FIX F165LP 1 565 S PATTERN 1 1 (1130 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 B-1-REG2 ACS/SBC ACCUM SBC-FIX F150LP 1 175 S (350 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 B-1-REG2 ACS/SBC ACCUM SBC-FIX F125LP 1 400 S (800 PATTERN 1 3 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 | ------------------------------------------------------------------------------------------------------------------------------------ B-1-REG2 1 ACS/SBC ACCUM SBC-FIX F165LP 1 none none none 1 N/A B-1-REG2 1 ACS/SBC ACCUM SBC-FIX F165LP 2 none none none 1 N/A B-1-REG2 2 ACS/SBC ACCUM SBC-FIX F150LP 1 none none none 1 N/A B-1-REG2 2 ACS/SBC ACCUM SBC-FIX F150LP 2 none none none 1 N/A B-1-REG2 3 ACS/SBC ACCUM SBC-FIX F125LP 1 none none none 1 N/A B-1-REG2 3 ACS/SBC ACCUM SBC-FIX F125LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 8] Visit: 03 (B-1 Reg_3 F165LP_F150LP_F125LP) Visit Requirements: 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 B-1-REG3 ACS/SBC ACCUM SBC-FIX F165LP 1 565 S PATTERN 1 1 (1130 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 B-1-REG3 ACS/SBC ACCUM SBC-FIX F150LP 1 175 S (350 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 B-1-REG3 ACS/SBC ACCUM SBC-FIX F125LP 1 400 S (800 PATTERN 1 3 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 | ------------------------------------------------------------------------------------------------------------------------------------ B-1-REG3 1 ACS/SBC ACCUM SBC-FIX F165LP 1 none none none 1 N/A B-1-REG3 1 ACS/SBC ACCUM SBC-FIX F165LP 2 none none none 1 N/A B-1-REG3 2 ACS/SBC ACCUM SBC-FIX F150LP 1 none none none 1 N/A B-1-REG3 2 ACS/SBC ACCUM SBC-FIX F150LP 2 none none none 1 N/A B-1-REG3 3 ACS/SBC ACCUM SBC-FIX F125LP 1 none none none 1 N/A B-1-REG3 3 ACS/SBC ACCUM SBC-FIX F125LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 9] Visit: 04 (B-1 Reg_4 F165LP_F150LP_F125LP) Visit Requirements: 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 B-1-REG4 ACS/SBC ACCUM SBC-FIX F165LP 1 565 S PATTERN 1 1 (1130 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 B-1-REG4 ACS/SBC ACCUM SBC-FIX F150LP 1 175 S (350 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 B-1-REG4 ACS/SBC ACCUM SBC-FIX F125LP 1 400 S (800 PATTERN 1 3 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 | ------------------------------------------------------------------------------------------------------------------------------------ B-1-REG4 1 ACS/SBC ACCUM SBC-FIX F165LP 1 none none none 1 N/A B-1-REG4 1 ACS/SBC ACCUM SBC-FIX F165LP 2 none none none 1 N/A B-1-REG4 2 ACS/SBC ACCUM SBC-FIX F150LP 1 none none none 1 N/A B-1-REG4 2 ACS/SBC ACCUM SBC-FIX F150LP 2 none none none 1 N/A B-1-REG4 3 ACS/SBC ACCUM SBC-FIX F125LP 1 none none none 1 N/A B-1-REG4 3 ACS/SBC ACCUM SBC-FIX F125LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 10] Visit: 05 (B-1 Reg_5 F165LP_F150LP_F125LP) Visit Requirements: 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 B-1-REG5 ACS/SBC ACCUM SBC-FIX F165LP 1 565 S PATTERN 1 1 (1130 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 B-1-REG5 ACS/SBC ACCUM SBC-FIX F150LP 1 175 S (350 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 B-1-REG5 ACS/SBC ACCUM SBC-FIX F125LP 1 400 S (800 PATTERN 1 3 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 | ------------------------------------------------------------------------------------------------------------------------------------ B-1-REG5 1 ACS/SBC ACCUM SBC-FIX F165LP 1 none none none 1 N/A B-1-REG5 1 ACS/SBC ACCUM SBC-FIX F165LP 2 none none none 1 N/A B-1-REG5 2 ACS/SBC ACCUM SBC-FIX F150LP 1 none none none 1 N/A B-1-REG5 2 ACS/SBC ACCUM SBC-FIX F150LP 2 none none none 1 N/A B-1-REG5 3 ACS/SBC ACCUM SBC-FIX F125LP 1 none none none 1 N/A B-1-REG5 3 ACS/SBC ACCUM SBC-FIX F125LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 11] Visit: 06 (B-1 Reg_6 F165LP_F150LP_F125LP) Visit Requirements: 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 B-1-REG6 ACS/SBC ACCUM SBC-FIX F165LP 1 565 S PATTERN 1 1 (1130 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 B-1-REG6 ACS/SBC ACCUM SBC-FIX F150LP 1 175 S (350 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 B-1-REG6 ACS/SBC ACCUM SBC-FIX F125LP 1 400 S (800 PATTERN 1 3 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 | ------------------------------------------------------------------------------------------------------------------------------------ B-1-REG6 1 ACS/SBC ACCUM SBC-FIX F165LP 1 none none none 1 N/A B-1-REG6 1 ACS/SBC ACCUM SBC-FIX F165LP 2 none none none 1 N/A B-1-REG6 2 ACS/SBC ACCUM SBC-FIX F150LP 1 none none none 1 N/A B-1-REG6 2 ACS/SBC ACCUM SBC-FIX F150LP 2 none none none 1 N/A B-1-REG6 3 ACS/SBC ACCUM SBC-FIX F125LP 1 none none none 1 N/A B-1-REG6 3 ACS/SBC ACCUM SBC-FIX F125LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 12] Visit: 07 (B-1 Reg_7 F165LP_F150LP_F125LP) Visit Requirements: 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 B-1-REG7 ACS/SBC ACCUM SBC-FIX F165LP 1 565 S PATTERN 1 1 (1130 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 B-1-REG7 ACS/SBC ACCUM SBC-FIX F150LP 1 175 S (350 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 B-1-REG7 ACS/SBC ACCUM SBC-FIX F125LP 1 400 S (800 PATTERN 1 3 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 | ------------------------------------------------------------------------------------------------------------------------------------ B-1-REG7 1 ACS/SBC ACCUM SBC-FIX F165LP 1 none none none 1 N/A B-1-REG7 1 ACS/SBC ACCUM SBC-FIX F165LP 2 none none none 1 N/A B-1-REG7 2 ACS/SBC ACCUM SBC-FIX F150LP 1 none none none 1 N/A B-1-REG7 2 ACS/SBC ACCUM SBC-FIX F150LP 2 none none none 1 N/A B-1-REG7 3 ACS/SBC ACCUM SBC-FIX F125LP 1 none none none 1 N/A B-1-REG7 3 ACS/SBC ACCUM SBC-FIX F125LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 13] Visit: 08 (B-1 Reg_8 F165LP_F150LP_F125LP) Visit Requirements: 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 B-1-REG8 ACS/SBC ACCUM SBC-FIX F165LP 1 565 S PATTERN 1 1 (1130 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 B-1-REG8 ACS/SBC ACCUM SBC-FIX F150LP 1 175 S (350 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 B-1-REG8 ACS/SBC ACCUM SBC-FIX F125LP 1 400 S (800 PATTERN 1 3 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 | ------------------------------------------------------------------------------------------------------------------------------------ B-1-REG8 1 ACS/SBC ACCUM SBC-FIX F165LP 1 none none none 1 N/A B-1-REG8 1 ACS/SBC ACCUM SBC-FIX F165LP 2 none none none 1 N/A B-1-REG8 2 ACS/SBC ACCUM SBC-FIX F150LP 1 none none none 1 N/A B-1-REG8 2 ACS/SBC ACCUM SBC-FIX F150LP 2 none none none 1 N/A B-1-REG8 3 ACS/SBC ACCUM SBC-FIX F125LP 1 none none none 1 N/A B-1-REG8 3 ACS/SBC ACCUM SBC-FIX F125LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 14] Visit: 09 (B1 Reg_1_2_3_6 F140LP) Visit Requirements: 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 B-1-REG1 ACS/SBC ACCUM SBC-FIX F140LP 1 270 S (540 PATTERN 1 1 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 B-1-REG2 ACS/SBC ACCUM SBC-FIX F140LP 1 270 S (540 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 B-1-REG3 ACS/SBC ACCUM SBC-FIX F140LP 1 270 S (540 PATTERN 1 3 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 B-1-REG6 ACS/SBC ACCUM SBC-FIX F140LP 1 270 S (540 PATTERN 1 4 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 | ------------------------------------------------------------------------------------------------------------------------------------ B-1-REG1 1 ACS/SBC ACCUM SBC-FIX F140LP 1 none none none 1 N/A B-1-REG1 1 ACS/SBC ACCUM SBC-FIX F140LP 2 none none none 1 N/A B-1-REG2 2 ACS/SBC ACCUM SBC-FIX F140LP 1 none none none 1 N/A B-1-REG2 2 ACS/SBC ACCUM SBC-FIX F140LP 2 none none none 1 N/A B-1-REG3 3 ACS/SBC ACCUM SBC-FIX F140LP 1 none none none 1 N/A B-1-REG3 3 ACS/SBC ACCUM SBC-FIX F140LP 2 none none none 1 N/A B-1-REG6 4 ACS/SBC ACCUM SBC-FIX F140LP 1 none none none 1 N/A B-1-REG6 4 ACS/SBC ACCUM SBC-FIX F140LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 15] Visit: 10 (B1 Reg_4_5_7_8 F140LP) Visit Requirements: 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 B-1-REG4 ACS/SBC ACCUM SBC-FIX F140LP 1 270 S (540 PATTERN 1 1 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 B-1-REG5 ACS/SBC ACCUM SBC-FIX F140LP 1 270 S (540 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 B-1-REG7 ACS/SBC ACCUM SBC-FIX F140LP 1 270 S (540 PATTERN 1 3 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 B-1-REG8 ACS/SBC ACCUM SBC-FIX F140LP 1 270 S (540 PATTERN 1 4 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 | ------------------------------------------------------------------------------------------------------------------------------------ B-1-REG4 1 ACS/SBC ACCUM SBC-FIX F140LP 1 none none none 1 N/A B-1-REG4 1 ACS/SBC ACCUM SBC-FIX F140LP 2 none none none 1 N/A B-1-REG5 2 ACS/SBC ACCUM SBC-FIX F140LP 1 none none none 1 N/A B-1-REG5 2 ACS/SBC ACCUM SBC-FIX F140LP 2 none none none 1 N/A B-1-REG7 3 ACS/SBC ACCUM SBC-FIX F140LP 1 none none none 1 N/A B-1-REG7 3 ACS/SBC ACCUM SBC-FIX F140LP 2 none none none 1 N/A B-1-REG8 4 ACS/SBC ACCUM SBC-FIX F140LP 1 none none none 1 N/A B-1-REG8 4 ACS/SBC ACCUM SBC-FIX F140LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 16] Visit: 11 (N13 Reg_1 F165LP_F150LP_F125LP) Visit Requirements: 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 N13-REG1 ACS/SBC ACCUM SBC-FIX F165LP 1 565 S PATTERN 1 1 (1130 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 N13-REG1 ACS/SBC ACCUM SBC-FIX F150LP 1 175 S (350 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 N13-REG1 ACS/SBC ACCUM SBC-FIX F125LP 1 400 S (800 PATTERN 1 3 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 | ------------------------------------------------------------------------------------------------------------------------------------ N13-REG1 1 ACS/SBC ACCUM SBC-FIX F165LP 1 none none none 1 N/A N13-REG1 1 ACS/SBC ACCUM SBC-FIX F165LP 2 none none none 1 N/A N13-REG1 2 ACS/SBC ACCUM SBC-FIX F150LP 1 none none none 1 N/A N13-REG1 2 ACS/SBC ACCUM SBC-FIX F150LP 2 none none none 1 N/A N13-REG1 3 ACS/SBC ACCUM SBC-FIX F125LP 1 none none none 1 N/A N13-REG1 3 ACS/SBC ACCUM SBC-FIX F125LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 17] Visit: 12 (N13 Reg_2 F165LP_F150LP_F125LP) Visit Requirements: 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 N13-REG2 ACS/SBC ACCUM SBC-FIX F165LP 1 565 S PATTERN 1 1 (1130 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 N13-REG2 ACS/SBC ACCUM SBC-FIX F150LP 1 175 S (350 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 N13-REG2 ACS/SBC ACCUM SBC-FIX F125LP 1 400 S (800 PATTERN 1 3 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 | ------------------------------------------------------------------------------------------------------------------------------------ N13-REG2 1 ACS/SBC ACCUM SBC-FIX F165LP 1 none none none 1 N/A N13-REG2 1 ACS/SBC ACCUM SBC-FIX F165LP 2 none none none 1 N/A N13-REG2 2 ACS/SBC ACCUM SBC-FIX F150LP 1 none none none 1 N/A N13-REG2 2 ACS/SBC ACCUM SBC-FIX F150LP 2 none none none 1 N/A N13-REG2 3 ACS/SBC ACCUM SBC-FIX F125LP 1 none none none 1 N/A N13-REG2 3 ACS/SBC ACCUM SBC-FIX F125LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 18] Visit: 13 (N13 Reg_3 F165LP_F150LP_F125LP) Visit Requirements: 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 N13-REG3 ACS/SBC ACCUM SBC-FIX F165LP 1 565 S PATTERN 1 1 (1130 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 N13-REG3 ACS/SBC ACCUM SBC-FIX F150LP 1 175 S (350 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 N13-REG3 ACS/SBC ACCUM SBC-FIX F125LP 1 400 S (800 PATTERN 1 3 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 | ------------------------------------------------------------------------------------------------------------------------------------ N13-REG3 1 ACS/SBC ACCUM SBC-FIX F165LP 1 none none none 1 N/A N13-REG3 1 ACS/SBC ACCUM SBC-FIX F165LP 2 none none none 1 N/A N13-REG3 2 ACS/SBC ACCUM SBC-FIX F150LP 1 none none none 1 N/A N13-REG3 2 ACS/SBC ACCUM SBC-FIX F150LP 2 none none none 1 N/A N13-REG3 3 ACS/SBC ACCUM SBC-FIX F125LP 1 none none none 1 N/A N13-REG3 3 ACS/SBC ACCUM SBC-FIX F125LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 19] Visit: 14 (N13 Reg_4 F165LP_F150LP_F125LP) Visit Requirements: 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 N13-REG4 ACS/SBC ACCUM SBC-FIX F165LP 1 565 S PATTERN 1 1 (1130 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 N13-REG4 ACS/SBC ACCUM SBC-FIX F150LP 1 175 S (350 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 N13-REG4 ACS/SBC ACCUM SBC-FIX F125LP 1 400 S (800 PATTERN 1 3 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 | ------------------------------------------------------------------------------------------------------------------------------------ N13-REG4 1 ACS/SBC ACCUM SBC-FIX F165LP 1 none none none 1 N/A N13-REG4 1 ACS/SBC ACCUM SBC-FIX F165LP 2 none none none 1 N/A N13-REG4 2 ACS/SBC ACCUM SBC-FIX F150LP 1 none none none 1 N/A N13-REG4 2 ACS/SBC ACCUM SBC-FIX F150LP 2 none none none 1 N/A N13-REG4 3 ACS/SBC ACCUM SBC-FIX F125LP 1 none none none 1 N/A N13-REG4 3 ACS/SBC ACCUM SBC-FIX F125LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 20] Visit: 15 (N13 Reg_5 F165LP_F150LP_F125LP) Visit Requirements: 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 N13-REG5 ACS/SBC ACCUM SBC-FIX F165LP 1 565 S PATTERN 1 1 (1130 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 N13-REG5 ACS/SBC ACCUM SBC-FIX F150LP 1 175 S (350 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 N13-REG5 ACS/SBC ACCUM SBC-FIX F125LP 1 400 S (800 PATTERN 1 3 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 | ------------------------------------------------------------------------------------------------------------------------------------ N13-REG5 1 ACS/SBC ACCUM SBC-FIX F165LP 1 none none none 1 N/A N13-REG5 1 ACS/SBC ACCUM SBC-FIX F165LP 2 none none none 1 N/A N13-REG5 2 ACS/SBC ACCUM SBC-FIX F150LP 1 none none none 1 N/A N13-REG5 2 ACS/SBC ACCUM SBC-FIX F150LP 2 none none none 1 N/A N13-REG5 3 ACS/SBC ACCUM SBC-FIX F125LP 1 none none none 1 N/A N13-REG5 3 ACS/SBC ACCUM SBC-FIX F125LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 21] Visit: 16 (N13 Reg_6 F165LP_F150LP_F125LP) Visit Requirements: 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 N13-REG6 ACS/SBC ACCUM SBC-FIX F165LP 1 565 S PATTERN 1 1 (1130 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 N13-REG6 ACS/SBC ACCUM SBC-FIX F150LP 1 175 S (350 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 N13-REG6 ACS/SBC ACCUM SBC-FIX F125LP 1 400 S (800 PATTERN 1 3 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 | ------------------------------------------------------------------------------------------------------------------------------------ N13-REG6 1 ACS/SBC ACCUM SBC-FIX F165LP 1 none none none 1 N/A N13-REG6 1 ACS/SBC ACCUM SBC-FIX F165LP 2 none none none 1 N/A N13-REG6 2 ACS/SBC ACCUM SBC-FIX F150LP 1 none none none 1 N/A N13-REG6 2 ACS/SBC ACCUM SBC-FIX F150LP 2 none none none 1 N/A N13-REG6 3 ACS/SBC ACCUM SBC-FIX F125LP 1 none none none 1 N/A N13-REG6 3 ACS/SBC ACCUM SBC-FIX F125LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 22] Visit: 17 (N13 Reg_7 F165LP_F150LP_F125LP) Visit Requirements: 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 N13-REG7 ACS/SBC ACCUM SBC-FIX F165LP 1 565 S PATTERN 1 1 (1130 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 N13-REG7 ACS/SBC ACCUM SBC-FIX F150LP 1 175 S (350 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 N13-REG7 ACS/SBC ACCUM SBC-FIX F125LP 1 400 S (800 PATTERN 1 3 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 | ------------------------------------------------------------------------------------------------------------------------------------ N13-REG7 1 ACS/SBC ACCUM SBC-FIX F165LP 1 none none none 1 N/A N13-REG7 1 ACS/SBC ACCUM SBC-FIX F165LP 2 none none none 1 N/A N13-REG7 2 ACS/SBC ACCUM SBC-FIX F150LP 1 none none none 1 N/A N13-REG7 2 ACS/SBC ACCUM SBC-FIX F150LP 2 none none none 1 N/A N13-REG7 3 ACS/SBC ACCUM SBC-FIX F125LP 1 none none none 1 N/A N13-REG7 3 ACS/SBC ACCUM SBC-FIX F125LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 23] Visit: 18 (N13 Reg_8 F165LP_F150LP_F125LP) Visit Requirements: 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 N13-REG8 ACS/SBC ACCUM SBC-FIX F165LP 1 565 S PATTERN 1 1 (1130 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 N13-REG8 ACS/SBC ACCUM SBC-FIX F150LP 1 175 S (350 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 N13-REG8 ACS/SBC ACCUM SBC-FIX F125LP 1 400 S (800 PATTERN 1 3 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 | ------------------------------------------------------------------------------------------------------------------------------------ N13-REG8 1 ACS/SBC ACCUM SBC-FIX F165LP 1 none none none 1 N/A N13-REG8 1 ACS/SBC ACCUM SBC-FIX F165LP 2 none none none 1 N/A N13-REG8 2 ACS/SBC ACCUM SBC-FIX F150LP 1 none none none 1 N/A N13-REG8 2 ACS/SBC ACCUM SBC-FIX F150LP 2 none none none 1 N/A N13-REG8 3 ACS/SBC ACCUM SBC-FIX F125LP 1 none none none 1 N/A N13-REG8 3 ACS/SBC ACCUM SBC-FIX F125LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 24] Visit: 19 (N13 Reg_9 F165LP_F150LP_F125LP) Visit Requirements: 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 N13-REG9 ACS/SBC ACCUM SBC-FIX F165LP 1 565 S PATTERN 1 1 (1130 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 N13-REG9 ACS/SBC ACCUM SBC-FIX F150LP 1 175 S (350 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 N13-REG9 ACS/SBC ACCUM SBC-FIX F125LP 1 400 S (800 PATTERN 1 3 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 | ------------------------------------------------------------------------------------------------------------------------------------ N13-REG9 1 ACS/SBC ACCUM SBC-FIX F165LP 1 none none none 1 N/A N13-REG9 1 ACS/SBC ACCUM SBC-FIX F165LP 2 none none none 1 N/A N13-REG9 2 ACS/SBC ACCUM SBC-FIX F150LP 1 none none none 1 N/A N13-REG9 2 ACS/SBC ACCUM SBC-FIX F150LP 2 none none none 1 N/A N13-REG9 3 ACS/SBC ACCUM SBC-FIX F125LP 1 none none none 1 N/A N13-REG9 3 ACS/SBC ACCUM SBC-FIX F125LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 25] Visit: 20 (N13 Reg_10 F165LP_F150LP_F125LP) Visit Requirements: 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 N13-REG10 ACS/SBC ACCUM SBC-FIX F165LP 1 565 S PATTERN 1 1 (1130 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 N13-REG10 ACS/SBC ACCUM SBC-FIX F150LP 1 175 S (350 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 N13-REG10 ACS/SBC ACCUM SBC-FIX F125LP 1 400 S (800 PATTERN 1 3 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 | ------------------------------------------------------------------------------------------------------------------------------------ N13-REG10 1 ACS/SBC ACCUM SBC-FIX F165LP 1 none none none 1 N/A N13-REG10 1 ACS/SBC ACCUM SBC-FIX F165LP 2 none none none 1 N/A N13-REG10 2 ACS/SBC ACCUM SBC-FIX F150LP 1 none none none 1 N/A N13-REG10 2 ACS/SBC ACCUM SBC-FIX F150LP 2 none none none 1 N/A N13-REG10 3 ACS/SBC ACCUM SBC-FIX F125LP 1 none none none 1 N/A N13-REG10 3 ACS/SBC ACCUM SBC-FIX F125LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 26] Visit: 21 (N13 Reg_11 F165LP_F150LP_F125LP) Visit Requirements: 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 N13-REG11 ACS/SBC ACCUM SBC-FIX F165LP 1 565 S PATTERN 1 1 (1130 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 N13-REG11 ACS/SBC ACCUM SBC-FIX F150LP 1 175 S (350 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 N13-REG11 ACS/SBC ACCUM SBC-FIX F125LP 1 400 S (800 PATTERN 1 3 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 | ------------------------------------------------------------------------------------------------------------------------------------ N13-REG11 1 ACS/SBC ACCUM SBC-FIX F165LP 1 none none none 1 N/A N13-REG11 1 ACS/SBC ACCUM SBC-FIX F165LP 2 none none none 1 N/A N13-REG11 2 ACS/SBC ACCUM SBC-FIX F150LP 1 none none none 1 N/A N13-REG11 2 ACS/SBC ACCUM SBC-FIX F150LP 2 none none none 1 N/A N13-REG11 3 ACS/SBC ACCUM SBC-FIX F125LP 1 none none none 1 N/A N13-REG11 3 ACS/SBC ACCUM SBC-FIX F125LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 27] Visit: 22 (N13 Reg_12 F165LP_F150LP_F125LP) Visit Requirements: 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 N13-REG12 ACS/SBC ACCUM SBC-FIX F165LP 1 565 S PATTERN 1 1 (1130 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 N13-REG12 ACS/SBC ACCUM SBC-FIX F150LP 1 175 S (350 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 N13-REG12 ACS/SBC ACCUM SBC-FIX F125LP 1 400 S (800 PATTERN 1 3 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 | ------------------------------------------------------------------------------------------------------------------------------------ N13-REG12 1 ACS/SBC ACCUM SBC-FIX F165LP 1 none none none 1 N/A N13-REG12 1 ACS/SBC ACCUM SBC-FIX F165LP 2 none none none 1 N/A N13-REG12 2 ACS/SBC ACCUM SBC-FIX F150LP 1 none none none 1 N/A N13-REG12 2 ACS/SBC ACCUM SBC-FIX F150LP 2 none none none 1 N/A N13-REG12 3 ACS/SBC ACCUM SBC-FIX F125LP 1 none none none 1 N/A N13-REG12 3 ACS/SBC ACCUM SBC-FIX F125LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 28] Visit: 23 (N13 Reg_1_2_3_4 F140LP) Visit Requirements: 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 N13-REG1 ACS/SBC ACCUM SBC-FIX F140LP 1 270 S (540 PATTERN 1 1 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 N13-REG2 ACS/SBC ACCUM SBC-FIX F140LP 1 270 S (540 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 N13-REG3 ACS/SBC ACCUM SBC-FIX F140LP 1 270 S (540 PATTERN 1 3 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 N13-REG4 ACS/SBC ACCUM SBC-FIX F140LP 1 270 S (540 PATTERN 1 4 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 | ------------------------------------------------------------------------------------------------------------------------------------ N13-REG1 1 ACS/SBC ACCUM SBC-FIX F140LP 1 none none none 1 N/A N13-REG1 1 ACS/SBC ACCUM SBC-FIX F140LP 2 none none none 1 N/A N13-REG2 2 ACS/SBC ACCUM SBC-FIX F140LP 1 none none none 1 N/A N13-REG2 2 ACS/SBC ACCUM SBC-FIX F140LP 2 none none none 1 N/A N13-REG3 3 ACS/SBC ACCUM SBC-FIX F140LP 1 none none none 1 N/A N13-REG3 3 ACS/SBC ACCUM SBC-FIX F140LP 2 none none none 1 N/A N13-REG4 4 ACS/SBC ACCUM SBC-FIX F140LP 1 none none none 1 N/A N13-REG4 4 ACS/SBC ACCUM SBC-FIX F140LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 29] Visit: 24 (N13 Reg_6_7_9_10 F140LP) Visit Requirements: 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 N13-REG6 ACS/SBC ACCUM SBC-FIX F140LP 1 270 S (540 PATTERN 1 1 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 N13-REG7 ACS/SBC ACCUM SBC-FIX F140LP 1 270 S (540 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 N13-REG9 ACS/SBC ACCUM SBC-FIX F140LP 1 270 S (540 PATTERN 1 3 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 N13-REG10 ACS/SBC ACCUM SBC-FIX F140LP 1 270 S (540 PATTERN 1 4 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 | ------------------------------------------------------------------------------------------------------------------------------------ N13-REG6 1 ACS/SBC ACCUM SBC-FIX F140LP 1 none none none 1 N/A N13-REG6 1 ACS/SBC ACCUM SBC-FIX F140LP 2 none none none 1 N/A N13-REG7 2 ACS/SBC ACCUM SBC-FIX F140LP 1 none none none 1 N/A N13-REG7 2 ACS/SBC ACCUM SBC-FIX F140LP 2 none none none 1 N/A N13-REG9 3 ACS/SBC ACCUM SBC-FIX F140LP 1 none none none 1 N/A N13-REG9 3 ACS/SBC ACCUM SBC-FIX F140LP 2 none none none 1 N/A N13-REG10 4 ACS/SBC ACCUM SBC-FIX F140LP 1 none none none 1 N/A N13-REG10 4 ACS/SBC ACCUM SBC-FIX F140LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 30] Visit: 25 (N13 Reg_5_8_11_12 F140LP) Visit Requirements: 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 N13-REG5 ACS/SBC ACCUM SBC-FIX F140LP 1 270 S (540 PATTERN 1 1 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 N13-REG8 ACS/SBC ACCUM SBC-FIX F140LP 1 270 S (540 PATTERN 1 2 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 N13-REG11 ACS/SBC ACCUM SBC-FIX F140LP 1 270 S (540 PATTERN 1 3 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 N13-REG12 ACS/SBC ACCUM SBC-FIX F140LP 1 270 S (540 PATTERN 1 4 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 | ------------------------------------------------------------------------------------------------------------------------------------ N13-REG5 1 ACS/SBC ACCUM SBC-FIX F140LP 1 none none none 1 N/A N13-REG5 1 ACS/SBC ACCUM SBC-FIX F140LP 2 none none none 1 N/A N13-REG8 2 ACS/SBC ACCUM SBC-FIX F140LP 1 none none none 1 N/A N13-REG8 2 ACS/SBC ACCUM SBC-FIX F140LP 2 none none none 1 N/A N13-REG11 3 ACS/SBC ACCUM SBC-FIX F140LP 1 none none none 1 N/A N13-REG11 3 ACS/SBC ACCUM SBC-FIX F140LP 2 none none none 1 N/A N13-REG12 4 ACS/SBC ACCUM SBC-FIX F140LP 1 none none none 1 N/A N13-REG12 4 ACS/SBC ACCUM SBC-FIX F140LP 2 none none none 1 N/A 18362( 2) - 19-Aug-2026 13:22:59 - [ 31] Summary Form for Proposal 18362 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures SBC-FIX ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/SBC ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements PATTERN 1 1, PATTERN 1 2, PATTERN 1 3, PATTERN 1 4 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F125LP, F140LP, F150LP, F165LP ------------------------------------------------------------------------------------------------------------------------------------ Target Names B-1-REG1, B-1-REG2, B-1-REG3, B-1-REG4, B-1-REG5, B-1-REG6, B-1-REG7, B-1-REG8, N13-REG1, N13-REG10, N13-REG11, N13-REG12, N13-REG2, N13-REG3, N13-REG4, N13-REG5, N13-REG6, N13-REG7, N13-REG8, N13-REG9 ------------------------------------------------------------------------------------------------------------------------------------