18424( 2) - 17-Aug-2026 17:10:12 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 18424 Version: 2 Check-in Time: 17-Aug-2026 17:10:12 STScI Edit Number: 0 Title Reconstructing the assembling history of the Large Magellanic Cloud using its system of globular clusters ------------------------------------------------------------------------------------ Type Cycle GO 34 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Florian Niederhofer Leibniz-Institut f|*|r Astrophysik Potsdam Y (AIP) CoI: Prof. Fernando Aguado Universida de Vigo N CoI: Dr. Nate Bastian Donostia International Physics Center N CoI: Dr. Andrea Bellini Space Telescope Science Institute Y CoI: Dr. Santi Cassisi INAF - Osservatorio Astronomico d'Abruzzo N CoI: Dr. Edoardo Ceccarelli Kapteyn Astronomical Institute N CoI: Dr. Massimiliano Gatto INAF - Osservatorio Astronomico di N Capodimonte CoI: Dr. Maximilian Haeberle European Southern Observatory - Germany N CoI: Dr. Sebastian Kamann Liverpool John Moores University N CoI: Dr. Mattia Libralato INAF - Osservatorio Astronomico di Padova N CoI: Dr. Silvia Martocchia CNRS, Laboratoire d'Astrophysique de N Marseille CoI: Dr. Davide Massari INAF - Osservatorio di Astrofisica e N Scienza dello Spazio CoI: Dr. Sara Saracino INAF - Osservatorio Astrofisico di Arcetri N CoI: Ms. Chiara Zerbinati Universita di Bologna N ------------------------------------------------------------------------------------ Abstract Globular clusters (GCs) are amongst the most powerful tracers of galaxy assembly. In our Milky Way, detailed studies of the GC kinematics, in combination with their ages and metallicities, have been transformative in our understanding of its mass assembly history, revealing the past accretion events that form the present-day Milky Way. Extending this approach to nearby dwarf galaxies is the next critical step. Thereby, the Large Magellanic Cloud (LMC), the closest example of an interacting dwarf, provides an unparalleled laboratory. Its low mass and sub-solar metallicity probe a regime of galaxy formation that remains largely unexplored. To date, HST-based studies of the chrono-dynamic structure of about half of the LMC GC population have already uncovered the existence of an accreted GC. However, the absence of comparable data for the remaining clusters currently limits any global reconstruction of the assembly history of the LMC. To complete this picture, we propose for an additional epoch of HST observations for the final eight LMC GCs. The observations will i) deliver precise proper motions to map the kinematic structure of the clusters and ii) enable the construction of a homogeneous age-metallicity relation across all clusters. Having this collection of information for the entire GC system of the LMC will allow us to trace the LMC assembly history for the first time in a self-consistent way, adding crucial contribution to our knowledge of the hierarchical assembly of dwarf galaxies. 18424( 2) - 17-Aug-2026 17:10:12 - [ 2] ------------------------------------------------------------------------------------ Observations Description ------------------------ The aim of this programme is to measure the proper motions of a sample of eight ancient star clusters within the Large Magellanic Cloud. For this, we proposed one additional epoch of observations for each cluster. In total, 12 primary orbits with the WFC3/UVIS instrument are allocated to this programme. To reach our science goal, precise measurements of the stellar positions are crucial. We plan with the following observational setup: Each cluster will have one orbit of observations using the WFC3/UVIS instrument in the F606W filter. F606W provides an optimal SNR for stars in old star clusters, also its PSF is better sampled than in bluer filters. Additionally, for four clusters within our sample, namely NGC 1786, NGC 1928, NGC 1939 and NGC 2019, one orbit in the WFC3/UVIS F814W filter is allocated, since these clusters lack deep archival F814W data. The observations are organized in 1 visit for each cluster. Within each orbit, we plan for 5 properly-dithered long exposures. To measure the positions of stars that are saturated in the long exposures we further require two short exposures (one at the beginning and one at the end of the orbit). We positioned the new observations such that the overlap with existing observations is maximized. Further, we request the new observations to be taken with orientations that are perpendicular to those of the existing, archival epochs. This requirement is crucial to mitigate the impact of uncorrected CTE. The requested range of orientations is specified in the Visit Orientation Requirement for all clusters/visits. ------------------------------------------------------------------------------------ 18424( 2) - 17-Aug-2026 17:10:12 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-1466 STELLAR CLUSTER, RA=03H44M32.7100S, J2000 V = 11.59 GLOBULAR CLUSTER DEC=-71D40'18.00" Reference Frame: ICRS Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-1754 STELLAR CLUSTER, RA=04H54M27.2321S, J2000 V = 11.57 GLOBULAR CLUSTER DEC=-70D26'53.20" Reference Frame: ICRS Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-1786 STELLAR CLUSTER, RA=04H59M4.7754S, J2000 V = 10.9 GLOBULAR CLUSTER DEC=-67D45'27.01" Reference Frame: ICRS Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-1835 STELLAR CLUSTER, RA=05H05M8.8643S, J2000 V = 10.596 GLOBULAR CLUSTER DEC=-69D23'28.10" Reference Frame: ICRS Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-1928 STELLAR CLUSTER, RA=05H21M4.3126S, J2000 V = 12.47 GLOBULAR CLUSTER DEC=-69D28'50.39" Reference Frame: ICRS Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 18424( 2) - 17-Aug-2026 17:10:12 - [ 4] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-1939 STELLAR CLUSTER, RA=05H21M34.5976S, J2000 V = 11.83 GLOBULAR CLUSTER DEC=-69D56'49.30" Reference Frame: ICRS Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 7 ESO-121-3 STELLAR CLUSTER, RA=06H01M57.2834S, J2000 V = 14.04 GLOBULAR CLUSTER DEC=-60D31'33.66" Reference Frame: ICRS Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC-2019 STELLAR CLUSTER, RA=05H31M56.4800S, J2000 V = 10.86 GLOBULAR CLUSTER DEC=-70D09'32.50" Reference Frame: ICRS Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 0.0 0.0 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 18424( 2) - 17-Aug-2026 17:10:12 - [ 5] Visit: 01 (NGC1466-R) Visit Requirements: ORIENT 105D TO 125 D; ORIENT 285D TO 305 D 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 NGC-1466 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=20 1 30 S POS TARG -5, -5 S ER see below (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-1466 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG -5, -5 S ER see below (385 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-1466 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG -2.5, -2.5 S ER see below (385 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-1466 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG 0, 0 S ER see below (385 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-1466 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG 2.5, 2.5 S ER see below (385 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-1466 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG 5, 5 S ER see below (384 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC-1466 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=20 1 30 S POS TARG 5, 5 S ER see below (30 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-1466 1 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 30.0 S S TER NGC-1466 2 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 385.0 S S TER NGC-1466 3 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 385.0 S S TER NGC-1466 4 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 385.0 S S TER 18424( 2) - 17-Aug-2026 17:10:12 - [ 6] 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-1466 5 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 385.0 S S TER NGC-1466 6 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 384.0 S S TER NGC-1466 7 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 30.0 S S TER 18424( 2) - 17-Aug-2026 17:10:12 - [ 7] Visit: 02 (NGC1754-R) Visit Requirements: ORIENT 300D TO 320 D; ORIENT 120D TO 140 D 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 NGC-1754 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=20 1 30 S POS TARG -5, -5 S ER see below (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-1754 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG -5, -5 S ER see below (385 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-1754 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG -2.5, -2.5 S ER see below (385 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-1754 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG 0, 0 S ER see below (385 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-1754 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG 2.5, 2.5 S ER see below (385 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-1754 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG 5, 5 S ER see below (384 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC-1754 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=20 1 30 S POS TARG 5, 5 S ER see below (30 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-1754 1 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 30.0 S S TER NGC-1754 2 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 385.0 S S TER NGC-1754 3 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 385.0 S S TER NGC-1754 4 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 385.0 S S TER 18424( 2) - 17-Aug-2026 17:10:12 - [ 8] 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-1754 5 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 385.0 S S TER NGC-1754 6 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 384.0 S S TER NGC-1754 7 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 30.0 S S TER 18424( 2) - 17-Aug-2026 17:10:12 - [ 9] Visit: 03 (NGC1786-RI) Visit Requirements: ORIENT 85D TO 105 D; ORIENT 265D TO 285 D 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 NGC-1786 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=20 1 30 S POS TARG -5, -5 S ER see below (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-1786 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG -5, -5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-1786 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG -2.5, -2.5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-1786 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG 0, 0 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-1786 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG 2.5, 2.5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-1786 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG 5, 5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC-1786 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=20 1 30 S POS TARG 5, 5 S ER see below (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC-1786 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=20 1 30 S POS TARG 5, 5 S ER see below (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC-1786 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 388 S POS TARG 5, 5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC-1786 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 388 S POS TARG 2.5, 2.5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 18424( 2) - 17-Aug-2026 17:10:12 - [ 10] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC-1786 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 388 S POS TARG 0, 0 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC-1786 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 388 S POS TARG -2.5, -2.5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC-1786 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 388 S POS TARG -5, -5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC-1786 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=20 1 30 S POS TARG -5, -5 S ER see below (30 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-1786 1 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 30.0 S S TER NGC-1786 2 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 379.0 S S TER NGC-1786 3 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 379.0 S S TER NGC-1786 4 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 379.0 S S TER NGC-1786 5 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 379.0 S S TER NGC-1786 6 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 379.0 S S TER NGC-1786 7 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 30.0 S S TER NGC-1786 8 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 30.0 S S TER NGC-1786 9 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 379.0 S S TER NGC-1786 10 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 379.0 S S TER NGC-1786 11 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 379.0 S S TER NGC-1786 12 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 379.0 S S TER 18424( 2) - 17-Aug-2026 17:10:12 - [ 11] 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-1786 13 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 379.0 S S TER NGC-1786 14 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 30.0 S S TER 18424( 2) - 17-Aug-2026 17:10:12 - [ 12] Visit: 04 (NGC1835-R) Visit Requirements: ORIENT 75D TO 95 D; ORIENT 255D TO 275 D 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 NGC-1835 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=20 1 30 S POS TARG -5, -5 S ER see below (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-1835 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG -5, -5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-1835 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG -2.5, -2.5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-1835 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG 0, 0 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-1835 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG 2.5, 2.5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-1835 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG 5, 5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC-1835 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=20 1 30 S POS TARG 5, 5 S ER see below (30 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-1835 1 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 30.0 S S TER NGC-1835 2 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 379.0 S S TER NGC-1835 3 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 379.0 S S TER NGC-1835 4 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 379.0 S S TER 18424( 2) - 17-Aug-2026 17:10:12 - [ 13] 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-1835 5 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 379.0 S S TER NGC-1835 6 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 379.0 S S TER NGC-1835 7 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 30.0 S S TER 18424( 2) - 17-Aug-2026 17:10:12 - [ 14] Visit: 05 (NGC1928-RI) Visit Requirements: ORIENT 280D TO 300 D; ORIENT 100D TO 120 D 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 NGC-1928 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=20 1 30 S POS TARG -5, -5 S ER see below (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-1928 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG -5, -5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-1928 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG -2.5, -2.5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-1928 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG 0, 0 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-1928 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG 2.5, 2.5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-1928 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG 5, 5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC-1928 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=20 1 30 S POS TARG 5, 5 S ER see below (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC-1928 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=20 1 30 S POS TARG 5, 5 S ER see below (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC-1928 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 400 S POS TARG 5, 5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC-1928 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 400 S POS TARG 2.5, 2.5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 18424( 2) - 17-Aug-2026 17:10:12 - [ 15] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC-1928 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 400 S POS TARG 0, 0 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC-1928 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 400 S POS TARG -2.5, -2.5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC-1928 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 400 S POS TARG -5, -5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC-1928 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=20 1 30 S POS TARG -5, -5 S ER see below (30 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-1928 1 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 30.0 S S TER NGC-1928 2 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 379.0 S S TER NGC-1928 3 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 379.0 S S TER NGC-1928 4 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 379.0 S S TER NGC-1928 5 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 379.0 S S TER NGC-1928 6 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 379.0 S S TER NGC-1928 7 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 30.0 S S TER NGC-1928 8 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 30.0 S S TER NGC-1928 9 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 379.0 S S TER NGC-1928 10 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 379.0 S S TER NGC-1928 11 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 379.0 S S TER NGC-1928 12 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 379.0 S S TER 18424( 2) - 17-Aug-2026 17:10:12 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-1928 13 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 379.0 S S TER NGC-1928 14 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 30.0 S S TER 18424( 2) - 17-Aug-2026 17:10:12 - [ 17] Visit: 06 (NGC1939-RI) Visit Requirements: ORIENT 75D TO 95 D; ORIENT 255D TO 275 D 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 NGC-1939 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=20 1 30 S POS TARG -5, -5 S ER see below (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-1939 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG -5, -5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-1939 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG -2.5, -2.5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-1939 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG 0, 0 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-1939 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG 2.5, 2.5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-1939 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG 5, 5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC-1939 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=20 1 30 S POS TARG 5, 5 S ER see below (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC-1939 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=20 1 30 S POS TARG 5, 5 S ER see below (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC-1939 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 400 S POS TARG 5, 5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC-1939 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 400 S POS TARG 2.5, 2.5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 18424( 2) - 17-Aug-2026 17:10:12 - [ 18] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC-1939 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 400 S POS TARG 0, 0 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC-1939 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 400 S POS TARG -2.5, -2.5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC-1939 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 400 S POS TARG -5, -5 S ER see below (379 S) ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC-1939 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=20 1 30 S POS TARG -5, -5 S ER see below (30 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-1939 1 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 30.0 S S TER NGC-1939 2 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 379.0 S S TER NGC-1939 3 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 379.0 S S TER NGC-1939 4 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 379.0 S S TER NGC-1939 5 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 379.0 S S TER NGC-1939 6 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 379.0 S S TER NGC-1939 7 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 30.0 S S TER NGC-1939 8 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 30.0 S S TER NGC-1939 9 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 379.0 S S TER NGC-1939 10 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 379.0 S S TER NGC-1939 11 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 379.0 S S TER NGC-1939 12 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 379.0 S S TER 18424( 2) - 17-Aug-2026 17:10:12 - [ 19] 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-1939 13 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 379.0 S S TER NGC-1939 14 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 30.0 S S TER 18424( 2) - 17-Aug-2026 17:10:12 - [ 20] Visit: 07 (ESO1213-R) Visit Requirements: ORIENT 285D TO 305 D; ORIENT 105D TO 125 D 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 ESO-121-3 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=20 1 30 S POS TARG -5, -5 S ER see below (30 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ESO-121-3 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG -5, -5 S ER see below (374 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ESO-121-3 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG -2.5, -2.5 S ER see below (374 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 ESO-121-3 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG 0, 0 S ER see below (373 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 ESO-121-3 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG 2.5, 2.5 S ER see below (373 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 ESO-121-3 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=15 1 400 S POS TARG 5, 5 S ER see below (373 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 ESO-121-3 WFC3/UVI ACCUM UVIS-CENT F606W FLASH=20 1 30 S POS TARG 5, 5 S ER see below (30 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 | ------------------------------------------------------------------------------------------------------------------------------------ ESO-121-3 1 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 30.0 S S TER ESO-121-3 2 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 374.0 S S TER ESO-121-3 3 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 374.0 S S TER ESO-121-3 4 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 373.0 S S TER 18424( 2) - 17-Aug-2026 17:10:12 - [ 21] 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 | ------------------------------------------------------------------------------------------------------------------------------------ ESO-121-3 5 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 373.0 S S TER ESO-121-3 6 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 373.0 S S TER ESO-121-3 7 WFC3/UVI ACCUM UVIS-CEN F606W none none none none 1 30.0 S S TER 18424( 2) - 17-Aug-2026 17:10:12 - [ 22] Visit: 08 (NGC2019-RI) 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 NGC-2019 WFC3/UVI ACCUM UVIS1 F606W FLASH=20 1 30 S POS TARG -5, -5 S see below (39 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-2019 WFC3/UVI ACCUM UVIS1 F606W FLASH=15 1 400 S POS TARG -5, -5 S see below (382 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-2019 WFC3/UVI ACCUM UVIS1 F606W FLASH=15 1 400 S POS TARG -2.5, -2.5 S see below (381 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-2019 WFC3/UVI ACCUM UVIS1 F606W FLASH=15 1 400 S POS TARG 0, 0 S see below (381 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-2019 WFC3/UVI ACCUM UVIS1 F606W FLASH=15 1 400 S POS TARG 2.5, 2.5 S see below (381 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-2019 WFC3/UVI ACCUM UVIS1 F606W FLASH=15 1 400 S POS TARG 5, 5 S see below (381 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC-2019 WFC3/UVI ACCUM UVIS1 F606W FLASH=20 1 30 S POS TARG 5, 5 S see below (39 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC-2019 WFC3/UVI ACCUM UVIS1 F814W FLASH=20 1 30 S POS TARG 5, 5 S see below (39 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC-2019 WFC3/UVI ACCUM UVIS1 F814W FLASH=15 1 400 S POS TARG 5, 5 S see below (382 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC-2019 WFC3/UVI ACCUM UVIS1 F814W FLASH=15 1 400 S POS TARG 2.5, 2.5 S see below (381 S) ------------------------------------------------------------------------------------------------------------------------------------ 18424( 2) - 17-Aug-2026 17:10:12 - [ 23] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC-2019 WFC3/UVI ACCUM UVIS1 F814W FLASH=15 1 400 S POS TARG 0, 0 S see below (381 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC-2019 WFC3/UVI ACCUM UVIS1 F814W FLASH=15 1 400 S POS TARG -2.5, -2.5 S see below (381 S) ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC-2019 WFC3/UVI ACCUM UVIS1 F814W FLASH=15 1 400 S POS TARG -5, -5 S see below (381 S) ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC-2019 WFC3/UVI ACCUM UVIS1 F814W FLASH=20 1 30 S POS TARG -5, -5 S see below (39 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-2019 1 WFC3/UVI ACCUM UVIS1 F606W none none none none 1 39.0 S S NGC-2019 2 WFC3/UVI ACCUM UVIS1 F606W none none none none 1 382.0 S S NGC-2019 3 WFC3/UVI ACCUM UVIS1 F606W none none none none 1 381.0 S S NGC-2019 4 WFC3/UVI ACCUM UVIS1 F606W none none none none 1 381.0 S S NGC-2019 5 WFC3/UVI ACCUM UVIS1 F606W none none none none 1 381.0 S S NGC-2019 6 WFC3/UVI ACCUM UVIS1 F606W none none none none 1 381.0 S S NGC-2019 7 WFC3/UVI ACCUM UVIS1 F606W none none none none 1 39.0 S S NGC-2019 8 WFC3/UVI ACCUM UVIS1 F814W none none none none 2 39.0 S S NGC-2019 9 WFC3/UVI ACCUM UVIS1 F814W none none none none 2 382.0 S S NGC-2019 10 WFC3/UVI ACCUM UVIS1 F814W none none none none 2 381.0 S S NGC-2019 11 WFC3/UVI ACCUM UVIS1 F814W none none none none 2 381.0 S S NGC-2019 12 WFC3/UVI ACCUM UVIS1 F814W none none none none 2 381.0 S S 18424( 2) - 17-Aug-2026 17:10:12 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC-2019 13 WFC3/UVI ACCUM UVIS1 F814W none none none none 2 381.0 S S NGC-2019 14 WFC3/UVI ACCUM UVIS1 F814W none none none none 2 39.0 S S 18424( 2) - 17-Aug-2026 17:10:12 - [ 25] Summary Form for Proposal 18424 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures UVIS-CENTER, UVIS1 ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters FLASH=15, FLASH=20 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ORIENT 100D TO 120 D, ORIENT 105D TO 125 D, ORIENT 120D TO 140 D, ORIENT 255D TO 275 D, ORIENT 265D TO 285 D, ORIENT 280D TO 300 D, ORIENT 285D TO 305 D, ORIENT 300D TO 320 D, ORIENT 75D TO 95 D, ORIENT 85D TO 105 D, POS TARG -2.5, -2.5, POS TARG -5, -5, POS TARG 0, 0, POS TARG 2.5, 2.5, POS TARG 5, 5 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F606W, F814W ------------------------------------------------------------------------------------------------------------------------------------ Target Names ESO-121-3, NGC-1466, NGC-1754, NGC-1786, NGC-1835, NGC-1928, NGC-1939, NGC-2019 ------------------------------------------------------------------------------------------------------------------------------------