13-Feb-2025 18:56:37 --- HST Observing Timeline Report for SMS: 250417F4 --- Page 1 SMS Start: 2025.041:00:00:00 (10-FEB-2025 00:00:00), End: 2025.048:00:00:00 (17-FEB-2025 00:00:00) Observation Set Principal Science Spectral Exposure Begin UT End UT SU Id Investigat Exp # Target Instrume Mode Apertures Elements Time(sec) OB AL EX O# -------- -------- -------- ------- ---------- ------ ---------- -------- ------ ------------ ------------ --------- -- -- -- -- 2025.041 00:57:07 01:06:35 1771888 D'Ammando 88-001 LEDA-3096537 WFC3/IR MULTIA IR F140W 499.36 88 01 01 A1 2025.041 01:06:35 01:07:36 1771888 D'Ammando 88-001 LEDA-3096537 WFC3/IR MULTIA IR F140W 499.36 88 02 01 A2 2025.041 01:16:03 01:25:41 1771888 D'Ammando 88-001 LEDA-3096537 WFC3/IR MULTIA IR F140W 499.36 88 03 01 A4 2025.041 02:18:36 02:25:27 1780039 Johnson 39-001 SDSS-J160631.36+273643.0 COS/NUV ACQ/IM PSA MIRRORA 90.00 39 01 01 A6 2025.041 02:26:21 02:34:41 1780039 Johnson 39-002 SDSS-J160631.36+273643.0 COS/FUV TIME-T PSA G140L 300.00 39 03 01 A8 2025.041 02:35:17 02:41:26 1780039 Johnson 39-002 SDSS-J160631.36+273643.0 COS/FUV TIME-T PSA G140L 300.00 39 05 01 AD 2025.041 02:42:02 02:48:11 1780039 Johnson 39-002 SDSS-J160631.36+273643.0 COS/FUV TIME-T PSA G140L 300.00 39 07 01 AF 2025.041 02:48:47 02:54:56 1780039 Johnson 39-002 SDSS-J160631.36+273643.0 COS/FUV TIME-T PSA G140L 300.00 39 09 01 AH 2025.041 02:30:00 02:49:04 176295H Dallas 5H-001 DARK STIS/CCD ACCUM F28X50LP MIRVIS 1100.00 5H 01 01 A9 2025.041 02:49:04 02:50:48 176295H Dallas 5H-002 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5H 01 02 AA 2025.041 02:50:48 02:52:36 176295H Dallas 5H-003 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5H 01 03 AB 2025.041 03:56:25 04:03:16 1780044 Johnson 44-001 SDSS-J165315.05+234942.9 COS/NUV ACQ/IM PSA MIRRORA 90.00 44 01 01 AK 2025.041 04:04:10 04:12:30 1780044 Johnson 44-002 SDSS-J165315.05+234942.9 COS/FUV TIME-T PSA G140L 300.00 44 03 01 AM 2025.041 04:13:06 04:19:15 1780044 Johnson 44-002 SDSS-J165315.05+234942.9 COS/FUV TIME-T PSA G140L 300.00 44 05 01 AO 2025.041 04:19:51 04:26:00 1780044 Johnson 44-002 SDSS-J165315.05+234942.9 COS/FUV TIME-T PSA G140L 300.00 44 07 01 AQ 2025.041 04:26:36 04:32:45 1780044 Johnson 44-002 SDSS-J165315.05+234942.9 COS/FUV TIME-T PSA G140L 300.00 44 09 01 AS 2025.041 05:30:00 05:34:24 17653EO Guzman EO-001 BIAS ACS/WFC ACCUM WFC F502N 0.00 EO 01 01 AU F660N 2025.041 05:34:24 05:34:39 17653EO Guzman EO-002 DARK ACS/WFC ACCUM WFC F502N 650.50 EO 01 02 AV F660N 2025.041 05:47:45 05:48:00 17653EO Guzman EO-003 DARK ACS/WFC ACCUM WFC F502N 650.50 EO 01 03 AX F660N 2025.041 06:30:48 06:35:03 1749130 Telford 30-001 NGC3109-EBU-48 COS/NUV ACQ/IM PSA MIRRORA 12.00 30 01 01 B0 2025.041 06:35:57 07:14:33 1749130 Telford 30-002 NGC3109-EBU-48 COS/FUV TIME-T PSA G130M 2130.00 30 03 01 B2 2025.041 08:04:51 08:46:54 1749130 Telford 30-003 NGC3109-EBU-48 COS/FUV TIME-T PSA G130M 2454.00 30 05 01 B6 2025.041 09:39:22 10:21:22 1749130 Telford 30-004 NGC3109-EBU-48 COS/FUV TIME-T PSA G130M 2454.00 30 07 01 BO 2025.041 07:30:00 07:47:51 176671U Pidgeon 1U-001 DARK-NM WFC3/UVI ACCUM UVIS F373N 900.00 1U 01 01 B4 2025.041 07:47:51 08:05:12 176671U Pidgeon 1U-001 DARK-NM WFC3/UVI ACCUM UVIS F373N 900.00 1U 02 01 B5 2025.041 08:18:17 08:20:43 1768918 Dauphin 18-001 TUNGSTEN WFC3/UVI ACCUM UVIS1-M512-S F645N 60.00 18 01 01 B8 2025.041 08:20:43 08:23:22 1768918 Dauphin 18-002 TUNGSTEN WFC3/UVI ACCUM UVIS F814W 2.00 18 01 02 B9 2025.041 08:23:22 08:23:56 1768918 Dauphin 18-003 TUNGSTEN WFC3/UVI ACCUM UVIS F438W 360.00 18 01 03 BA 2025.041 08:31:56 08:32:04 1768918 Dauphin 18-004 TUNGSTEN WFC3/UVI ACCUM UVIS F438W 360.00 18 01 04 BC 2025.041 08:40:04 08:40:12 1768918 Dauphin 18-005 TUNGSTEN WFC3/UVI ACCUM UVIS F438W 360.00 18 01 05 BE 2025.041 08:48:12 08:48:20 1768918 Dauphin 18-006 TUNGSTEN WFC3/UVI ACCUM UVIS F438W 360.00 18 01 06 BG 2025.041 08:56:20 08:58:52 1768918 Dauphin 18-007 TUNGSTEN WFC3/UVI ACCUM UVIS F814W 2.00 18 01 07 BI 2025.041 09:09:58 09:12:08 1768918 Dauphin 18-008 TUNGSTEN WFC3/UVI ACCUM UVIS F814W 2.00 18 01 08 BK 2025.041 09:12:08 09:14:35 1768918 Dauphin 18-009 TUNGSTEN WFC3/UVI ACCUM UVIS F814W 2.00 18 01 09 BL 2025.041 11:14:10 11:18:25 1749132 Telford 32-001 NGC3109-EBU-48 COS/NUV ACQ/IM PSA MIRRORA 12.00 32 01 01 BQ 2025.041 11:19:19 11:57:55 1749132 Telford 32-002 NGC3109-EBU-48 COS/FUV TIME-T PSA G140L 2093.00 32 03 01 BS 2025.041 12:48:14 13:30:17 1749132 Telford 32-003 NGC3109-EBU-48 COS/FUV TIME-T PSA G140L 2454.00 32 05 01 BX 2025.041 14:22:41 15:04:44 1749132 Telford 32-004 NGC3109-EBU-48 COS/FUV TIME-T PSA G140L 2454.00 32 07 01 CO 2025.041 12:30:00 12:49:04 176295I Dallas 5I-001 DARK STIS/CCD ACCUM F28X50LP MIRVIS 1100.00 5I 01 01 BU 2025.041 12:49:04 12:50:48 176295I Dallas 5I-002 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5I 01 02 BV 2025.041 12:50:48 12:52:36 176295I Dallas 5I-003 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5I 01 03 BW 2025.041 13:30:00 13:30:44 176322R Lothringer 2R-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2R 01 01 BZ 13-Feb-2025 18:56:37 --- HST Observing Timeline Report for SMS: 250417F4 --- Page 2 SMS Start: 2025.041:00:00:00 (10-FEB-2025 00:00:00), End: 2025.048:00:00:00 (17-FEB-2025 00:00:00) Observation Set Principal Science Spectral Exposure Begin UT End UT SU Id Investigat Exp # Target Instrume Mode Apertures Elements Time(sec) OB AL EX O# -------- -------- -------- ------- ---------- ------ ---------- -------- ------ ------------ ------------ --------- -- -- -- -- 2025.041 13:30:44 13:31:28 176322R Lothringer 2R-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2R 01 02 C0 2025.041 13:31:28 13:32:12 176322R Lothringer 2R-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2R 01 03 C1 2025.041 13:32:12 13:32:56 176322R Lothringer 2R-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2R 01 04 C2 2025.041 13:32:56 13:33:40 176322R Lothringer 2R-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2R 01 05 C3 2025.041 13:33:40 13:34:24 176322R Lothringer 2R-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2R 01 06 C4 2025.041 13:34:24 13:35:12 176322R Lothringer 2R-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2R 01 07 C5 2025.041 13:38:05 13:38:49 176322R Lothringer 2R-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2R 01 08 C7 2025.041 13:38:49 13:39:33 176322R Lothringer 2R-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2R 01 09 C8 2025.041 13:39:33 13:40:17 176322R Lothringer 2R-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2R 01 0A C9 2025.041 13:40:17 13:41:01 176322R Lothringer 2R-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2R 01 0B CA 2025.041 13:41:01 13:41:45 176322R Lothringer 2R-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2R 01 0C CB 2025.041 13:41:45 13:42:29 176322R Lothringer 2R-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2R 01 0D CC 2025.041 13:42:29 13:43:17 176322R Lothringer 2R-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2R 01 0E CD 2025.041 13:46:10 13:46:54 176322R Lothringer 2R-002 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2R 01 0F CF 2025.041 13:46:54 13:47:38 176322R Lothringer 2R-002 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2R 01 0G CG 2025.041 13:47:38 13:48:22 176322R Lothringer 2R-002 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2R 01 0H CH 2025.041 13:48:22 13:49:09 176322R Lothringer 2R-003 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2R 01 0I CI 2025.041 13:49:09 13:49:56 176322R Lothringer 2R-003 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2R 01 0J CJ 2025.041 13:49:56 13:50:43 176322R Lothringer 2R-004 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2R 01 0K CK 2025.041 13:50:43 13:51:34 176322R Lothringer 2R-004 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2R 01 0L CL 2025.041 15:30:00 15:34:36 17653EP Guzman EP-001 DARK ACS/WFC ACCUM WFC F502N 0.50 EP 01 01 CQ F660N 2025.041 15:34:36 15:34:51 17653EP Guzman EP-002 DARK ACS/WFC ACCUM WFC F502N 650.50 EP 01 02 CR F660N 2025.041 15:47:57 15:48:12 17653EP Guzman EP-003 DARK ACS/WFC ACCUM WFC F502N 650.50 EP 01 03 CT F660N 2025.041 16:08:37 16:19:18 1748006 McQuinn 06-001 AGC210960 ACS/WFC ACCUM WFC F606W 421.00 06 01 01 CW CLEAR2L 2025.041 16:19:18 16:20:23 1748006 McQuinn 06-002 AGC210960 ACS/WFC ACCUM WFC CLEAR1L 521.00 06 01 02 CX F814W 2025.041 16:31:32 16:31:42 1748006 McQuinn 06-003 AGC210960 ACS/WFC ACCUM WFC CLEAR1L 421.00 06 02 01 CZ F814W 2025.041 16:40:51 16:41:56 1748006 McQuinn 06-004 AGC210960 ACS/WFC ACCUM WFC F606W 521.00 06 02 02 D1 CLEAR2L 2025.041 17:43:46 17:45:42 17410A2 Foley A2-001 SN2024GY WFC3/IR MULTIA IR-UVIS F160W 74.29 A2 01 01 D4 2025.041 17:47:54 17:49:50 17410A2 Foley A2-001 SN2024GY WFC3/IR MULTIA IR-UVIS F160W 74.29 A2 02 01 D6 2025.041 17:45:42 17:47:54 17410A2 Foley A2-002 SN2024GY WFC3/IR MULTIA IR-UVIS F140W 74.29 A2 01 02 D5 2025.041 17:49:50 17:52:39 17410A2 Foley A2-002 SN2024GY WFC3/IR MULTIA IR-UVIS F140W 74.29 A2 02 02 D7 2025.041 17:52:39 17:53:19 17410A2 Foley A2-003 SN2024GY WFC3/UVI ACCUM UVIS F275W 750.00 A2 03 01 D8 2025.041 18:07:59 18:11:14 17410A2 Foley A2-004 SN2024GY WFC3/UVI ACCUM UVIS F555W 30.00 A2 04 01 DA 2025.041 18:11:14 18:11:45 17410A2 Foley A2-005 SN2024GY WFC3/UVI ACCUM UVIS F275W 751.00 A2 05 01 DB 2025.041 18:26:26 18:29:43 17410A2 Foley A2-006 SN2024GY WFC3/UVI ACCUM UVIS F555W 30.00 A2 06 01 DD 2025.041 19:16:47 19:18:18 17410A2 Foley A2-007 SN2024GY WFC3/IR MULTIA IR-UVIS F125W 49.28 A2 08 01 DK 2025.041 19:19:58 19:21:29 17410A2 Foley A2-007 SN2024GY WFC3/IR MULTIA IR-UVIS F125W 49.28 A2 09 01 DN 2025.041 19:18:18 19:19:58 17410A2 Foley A2-008 SN2024GY WFC3/IR MULTIA IR-UVIS F105W 49.28 A2 08 02 DL 13-Feb-2025 18:56:37 --- HST Observing Timeline Report for SMS: 250417F4 --- Page 3 SMS Start: 2025.041:00:00:00 (10-FEB-2025 00:00:00), End: 2025.048:00:00:00 (17-FEB-2025 00:00:00) Observation Set Principal Science Spectral Exposure Begin UT End UT SU Id Investigat Exp # Target Instrume Mode Apertures Elements Time(sec) OB AL EX O# -------- -------- -------- ------- ---------- ------ ---------- -------- ------ ------------ ------------ --------- -- -- -- -- 2025.041 19:21:29 19:23:46 17410A2 Foley A2-008 SN2024GY WFC3/IR MULTIA IR-UVIS F105W 49.28 A2 09 02 DO 2025.041 19:23:46 19:24:14 17410A2 Foley A2-009 SN2024GY WFC3/UVI ACCUM UVIS F300X 565.00 A2 0A 01 DQ 2025.041 19:35:49 19:35:57 17410A2 Foley A2-010 SN2024GY WFC3/UVI ACCUM UVIS F300X 565.00 A2 0B 01 DU 2025.041 19:47:32 19:48:06 17410A2 Foley A2-011 SN2024GY WFC3/UVI ACCUM UVIS F336W 350.00 A2 0C 01 DY 2025.041 19:56:07 20:02:23 17410A2 Foley A2-012 SN2024GY WFC3/UVI ACCUM UVIS F336W 235.00 A2 0D 01 E1 2025.041 18:30:00 18:40:51 178873A Sahnow 3A-001 DEUTERIUM COS/FUV TIME-T FCA G130M 5.00 3A 01 01 DF 2025.041 18:30:00 20:02:18 178873A Sahnow 3A-002 NONE COS ALIGN/ XAPER -114 0.00 3A 03 01 2025.041 18:41:49 18:47:28 178873A Sahnow 3A-003 DEUTERIUM COS/FUV TIME-T FCA G130M 50.00 3A 04 01 DH 2025.041 18:30:00 20:02:18 178873A Sahnow 3A-004 NONE COS ALIGN/ FOCUS -2000 0.00 3A 06 01 2025.041 19:15:07 19:19:27 178873A Sahnow 3A-005 DEUTERIUM COS/FUV TIME-T FCA G130M 50.00 3A 07 01 DJ 2025.041 18:30:00 20:02:18 178873A Sahnow 3A-006 NONE COS ALIGN/ FOCUS -1000 0.00 3A 09 01 2025.041 19:21:09 19:33:43 178873A Sahnow 3A-007 DEUTERIUM COS/FUV TIME-T FCA G130M 50.00 3A 0A 01 DP 2025.041 18:30:00 20:02:18 178873A Sahnow 3A-008 NONE COS ALIGN/ FOCUS 1000 0.00 3A 0C 01 2025.041 19:35:45 19:41:49 178873A Sahnow 3A-009 DEUTERIUM COS/FUV TIME-T FCA G130M 50.00 3A 0D 01 DT 2025.041 18:30:00 20:02:18 178873A Sahnow 3A-010 NONE COS ALIGN/ FOCUS 2000 0.00 3A 0F 01 2025.041 19:43:31 19:53:58 178873A Sahnow 3A-011 DEUTERIUM COS/FUV TIME-T FCA G130M 50.00 3A 0G 01 DX 2025.041 18:30:00 20:02:18 178873A Sahnow 3A-012 NONE COS ALIGN/ FOCUS 0 0.00 3A 0I 01 2025.041 20:50:48 21:08:39 176671V Pidgeon 1V-001 DARK-NM WFC3/UVI ACCUM UVIS F467M 900.00 1V 01 01 E3 2025.041 21:08:39 21:31:18 176671V Pidgeon 1V-001 DARK-NM WFC3/UVI ACCUM UVIS F467M 900.00 1V 02 01 E5 2025.041 21:01:00 21:09:13 1712127 Kulkarni 27-001 J1511+5203 COS/NUV ACQ/IM PSA MIRRORB 93.00 27 01 01 E4 2025.041 21:10:07 21:30:30 1712127 Kulkarni 27-002 J1511+5203 COS/FUV TIME-T PSA G130M 1037.00 27 03 01 E7 2025.041 21:31:16 21:49:42 1712127 Kulkarni 27-003 J1511+5203 COS/FUV TIME-T PSA G130M 1037.00 27 05 01 EA 2025.041 22:37:51 23:01:02 1712127 Kulkarni 27-004 J1511+5203 COS/FUV TIME-T PSA G130M 1255.00 27 07 01 EC 2025.041 23:01:57 23:24:01 1712127 Kulkarni 27-005 J1511+5203 COS/FUV TIME-T PSA G130M 1255.00 27 09 01 EE 2025.041 23:33:18 23:38:15 178873B Sahnow 3B-001 DEUTERIUM COS/FUV TIME-T FCA G130M 5.00 3B 01 01 EG 2025.041 23:33:18 00:52:33 178873B Sahnow 3B-002 NONE COS ALIGN/ XAPER -114 0.00 3B 03 01 2025.041 23:39:13 00:12:38 178873B Sahnow 3B-003 DEUTERIUM COS/FUV TIME-T FCA G160M 50.00 3B 04 01 EI 2025.041 23:33:18 00:52:33 178873B Sahnow 3B-004 NONE COS ALIGN/ FOCUS -1800 0.00 3B 06 01 2025.042 00:14:40 00:19:00 178873B Sahnow 3B-005 DEUTERIUM COS/FUV TIME-T FCA G160M 50.00 3B 07 01 EK 2025.041 23:33:18 00:52:33 178873B Sahnow 3B-006 NONE COS ALIGN/ FOCUS -1000 0.00 3B 09 01 2025.042 00:20:38 00:24:58 178873B Sahnow 3B-007 DEUTERIUM COS/FUV TIME-T FCA G160M 50.00 3B 0A 01 EN 2025.041 23:33:18 00:52:33 178873B Sahnow 3B-008 NONE COS ALIGN/ FOCUS 1000 0.00 3B 0C 01 2025.042 00:27:00 00:32:45 178873B Sahnow 3B-009 DEUTERIUM COS/FUV TIME-T FCA G160M 50.00 3B 0D 01 ER 2025.041 23:33:18 00:52:33 178873B Sahnow 3B-010 NONE COS ALIGN/ FOCUS 2000 0.00 3B 0F 01 2025.042 00:34:27 00:44:13 178873B Sahnow 3B-011 DEUTERIUM COS/FUV TIME-T FCA G160M 50.00 3B 0G 01 ET 2025.041 23:33:18 00:52:33 178873B Sahnow 3B-012 NONE COS ALIGN/ FOCUS 0 0.00 3B 0I 01 2025.042 00:14:45 00:26:45 1781118 Gomez 18-001 SN2019IEH WFC3/UVI ACCUM UVIS2-C1K1C- F300X 557.00 18 01 01 EL 2025.042 00:26:45 00:26:53 1781118 Gomez 18-001 SN2019IEH WFC3/UVI ACCUM UVIS2-C1K1C- F300X 557.00 18 02 01 EP 2025.042 00:38:13 00:38:21 1781118 Gomez 18-001 SN2019IEH WFC3/UVI ACCUM UVIS2-C1K1C- F300X 557.00 18 03 01 EU 2025.042 00:49:41 01:01:11 1781118 Gomez 18-001 SN2019IEH WFC3/UVI ACCUM UVIS2-C1K1C- F300X 557.00 18 04 01 EX 2025.042 01:51:14 01:53:21 17698B0 Gaensicke B0-001 WDJ164617.72-090217.94 COS/FUV ACQ/PE PSA G130M 4.00 B0 01 01 EZ 2025.042 01:53:21 01:56:29 17698B0 Gaensicke B0-002 WDJ164617.72-090217.94 COS/FUV ACQ/PE PSA G130M 4.00 B0 02 01 F0 2025.042 01:57:04 02:10:49 17698B0 Gaensicke B0-003 WDJ164617.72-090217.94 COS/FUV TIME-T PSA G130M 900.00 B0 04 01 F2 2025.042 02:13:56 02:27:44 17698B0 Gaensicke B0-004 WDJ164617.72-090217.94 COS/FUV TIME-T PSA G130M 900.00 B0 06 01 F4 2025.042 02:30:00 02:49:04 176295J Dallas 5J-001 DARK STIS/CCD ACCUM F28X50LP MIRVIS 1100.00 5J 01 01 F6 13-Feb-2025 18:56:38 --- HST Observing Timeline Report for SMS: 250417F4 --- Page 4 SMS Start: 2025.041:00:00:00 (10-FEB-2025 00:00:00), End: 2025.048:00:00:00 (17-FEB-2025 00:00:00) Observation Set Principal Science Spectral Exposure Begin UT End UT SU Id Investigat Exp # Target Instrume Mode Apertures Elements Time(sec) OB AL EX O# -------- -------- -------- ------- ---------- ------ ---------- -------- ------ ------------ ------------ --------- -- -- -- -- 2025.042 02:49:04 02:50:48 176295J Dallas 5J-002 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5J 01 02 F7 2025.042 02:50:48 02:52:36 176295J Dallas 5J-003 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5J 01 03 F8 2025.042 03:44:22 03:47:44 1789301 Anderson 01-001 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 35.00 01 01 01 FA 2025.042 03:47:44 03:47:52 1789301 Anderson 01-002 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 350.00 01 01 02 FB 2025.042 03:55:45 03:55:53 1789301 Anderson 01-003 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 350.00 01 01 03 FD 2025.042 04:03:46 04:03:54 1789301 Anderson 01-004 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 350.00 01 01 04 FF 2025.042 04:11:47 04:11:55 1789301 Anderson 01-005 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 350.00 01 02 01 FH 2025.042 04:19:48 04:29:27 1789301 Anderson 01-006 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 350.00 01 02 02 FK 2025.042 04:11:47 04:21:17 1789301 Anderson 01-007 ANY ACS/WFC ACCUM WFC F606W 350.00 01 02 03 FI CLEAR2L 2025.042 04:21:17 04:21:27 1789301 Anderson 01-008 ANY ACS/WFC ACCUM WFC F606W 350.00 01 02 04 FL CLEAR2L 2025.042 06:04:42 06:08:57 1749131 Telford 31-001 NGC3109-EBU-48 COS/NUV ACQ/IM PSA MIRRORA 12.00 31 01 01 FP 2025.042 06:09:51 06:48:27 1749131 Telford 31-002 NGC3109-EBU-48 COS/FUV TIME-T PSA G140L 2093.00 31 03 01 FR 2025.042 07:41:42 08:23:45 1749131 Telford 31-003 NGC3109-EBU-48 COS/FUV TIME-T PSA G140L 2454.00 31 05 01 G6 2025.042 09:16:10 09:58:13 1749131 Telford 31-004 NGC3109-EBU-48 COS/FUV TIME-T PSA G140L 2454.00 31 07 01 GG 2025.042 06:34:20 06:38:44 17657AR Guzman AR-001 BIAS ACS/WFC ACCUM WFC F502N 0.00 AR 01 01 FS F660N 2025.042 06:38:44 06:38:54 17657AR Guzman AR-002 DARK ACS/WFC ACCUM WFC F502N 1040.00 AR 01 02 FT F660N 2025.042 07:04:09 07:08:33 17657AS Guzman AS-001 BIAS ACS/WFC ACCUM WFC F502N 0.00 AS 01 01 FX F660N 2025.042 07:08:33 07:08:43 17657AS Guzman AS-002 DARK ACS/WFC ACCUM WFC F502N 1040.00 AS 01 02 FY F660N 2025.042 07:30:00 07:32:24 176671W Pidgeon 1W-001 DARK WFC3/UVI ACCUM UVIS 0.50 1W 01 01 G1 2025.042 07:30:00 08:19:58 176671W Pidgeon 1W-002 DARK S/C DATA NONE 4.00 1W 02 01 2025.042 07:32:24 07:44:11 176671W Pidgeon 1W-003 DARK WFC3/UVI ACCUM UVIS 0.50 1W 03 01 G2 2025.042 07:44:11 07:44:19 176671W Pidgeon 1W-004 DARK WFC3/UVI ACCUM UVIS 900.00 1W 04 01 G7 2025.042 07:33:58 07:38:22 17657AT Guzman AT-001 BIAS ACS/WFC ACCUM WFC F502N 0.00 AT 01 01 G3 F660N 2025.042 07:38:22 07:38:32 17657AT Guzman AT-002 DARK ACS/WFC ACCUM WFC F502N 1040.00 AT 01 02 G4 F660N 2025.042 08:03:47 08:08:11 17657AU Guzman AU-001 BIAS ACS/WFC ACCUM WFC F502N 0.00 AU 01 01 GA F660N 2025.042 08:08:11 08:08:21 17657AU Guzman AU-002 DARK ACS/WFC ACCUM WFC F502N 1040.00 AU 01 02 GB F660N 2025.042 10:30:00 10:47:51 176671X Pidgeon 1X-001 DARK-NM WFC3/UVI ACCUM UVIS F631N 900.00 1X 01 01 GI 2025.042 10:47:51 11:20:57 176671X Pidgeon 1X-001 DARK-NM WFC3/UVI ACCUM UVIS F631N 900.00 1X 02 01 GJ 2025.042 11:13:00 11:17:01 1769721 Dorsch 21-001 TYC-4544-2658-1 STIS/CCD ACQ F28X50LP MIRVIS 0.30 21 01 01 GK 2025.042 11:19:33 11:20:01 1769721 Dorsch 21-002 TYC-4544-2658-1 STIS/MA1 ACCUM S200X200 E140M 2415.00 21 02 02 GM 2025.042 12:02:11 12:03:36 1769721 Dorsch 21-002 WAVELINE STIS/MA1 ACCUM S200X200 E140M 0.00 21 02 03 GP 2025.042 11:17:01 11:19:33 1769721 Dorsch 21-002 WAVELINE STIS/MA1 ACCUM S200X200 E140M 0.00 21 02 01 GL 2025.042 12:30:00 12:49:04 176295K Dallas 5K-001 DARK STIS/CCD ACCUM F28X50LP MIRVIS 1100.00 5K 01 01 GS 2025.042 12:49:04 12:50:48 176295K Dallas 5K-002 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5K 01 02 GT 2025.042 12:50:48 12:52:36 176295K Dallas 5K-003 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5K 01 03 GU 13-Feb-2025 18:56:38 --- HST Observing Timeline Report for SMS: 250417F4 --- Page 5 SMS Start: 2025.041:00:00:00 (10-FEB-2025 00:00:00), End: 2025.048:00:00:00 (17-FEB-2025 00:00:00) Observation Set Principal Science Spectral Exposure Begin UT End UT SU Id Investigat Exp # Target Instrume Mode Apertures Elements Time(sec) OB AL EX O# -------- -------- -------- ------- ---------- ------ ---------- -------- ------ ------------ ------------ --------- -- -- -- -- 2025.042 12:42:16 12:53:21 1762701 Li 01-001 MLAN3 WFC3/IR MULTIA IR F105W 603.04 01 01 01 GV 2025.042 12:53:21 12:56:31 1762701 Li 01-001 MLAN3 WFC3/IR MULTIA IR F105W 603.04 01 02 01 GX 2025.042 13:04:32 13:09:22 1762701 Li 01-001 MLAN3 WFC3/IR MULTIA IR F105W 603.04 01 03 01 GZ 2025.042 13:15:37 13:26:59 1762701 Li 01-001 MLAN3 WFC3/IR MULTIA IR F105W 603.04 01 04 01 H1 2025.042 13:30:00 13:30:44 176322S Lothringer 2S-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2S 01 01 H3 2025.042 13:30:44 13:31:28 176322S Lothringer 2S-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2S 01 02 H4 2025.042 13:31:28 13:32:12 176322S Lothringer 2S-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2S 01 03 H5 2025.042 13:32:12 13:32:56 176322S Lothringer 2S-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2S 01 04 H6 2025.042 13:32:56 13:33:40 176322S Lothringer 2S-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2S 01 05 H7 2025.042 13:33:40 13:34:24 176322S Lothringer 2S-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2S 01 06 H8 2025.042 13:34:24 13:35:12 176322S Lothringer 2S-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2S 01 07 H9 2025.042 13:38:05 13:38:49 176322S Lothringer 2S-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2S 01 08 HB 2025.042 13:38:49 13:39:33 176322S Lothringer 2S-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2S 01 09 HC 2025.042 13:39:33 13:40:17 176322S Lothringer 2S-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2S 01 0A HD 2025.042 13:40:17 13:41:01 176322S Lothringer 2S-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2S 01 0B HE 2025.042 13:41:01 13:41:45 176322S Lothringer 2S-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2S 01 0C HF 2025.042 13:41:45 13:42:29 176322S Lothringer 2S-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2S 01 0D HG 2025.042 13:42:29 13:43:17 176322S Lothringer 2S-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2S 01 0E HH 2025.042 13:46:10 13:46:54 176322S Lothringer 2S-002 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2S 01 0F HJ 2025.042 13:46:54 13:47:38 176322S Lothringer 2S-002 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2S 01 0G HK 2025.042 13:47:38 13:48:22 176322S Lothringer 2S-002 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2S 01 0H HL 2025.042 13:48:22 13:49:09 176322S Lothringer 2S-003 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2S 01 0I HM 2025.042 13:49:09 13:49:56 176322S Lothringer 2S-003 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2S 01 0J HN 2025.042 13:49:56 13:50:43 176322S Lothringer 2S-004 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2S 01 0K HO 2025.042 13:50:43 13:51:34 176322S Lothringer 2S-004 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2S 01 0L HP 2025.042 14:10:53 14:34:19 1753509 Veilleux 09-001 NGC-4666 WFC3/UVI ACCUM UVIS F225W 1243.00 09 01 01 HR 2025.042 14:34:19 15:43:30 1753509 Veilleux 09-001 NGC-4666 WFC3/UVI ACCUM UVIS F225W 1243.00 09 02 01 HS 2025.042 15:43:30 15:43:38 1753509 Veilleux 09-002 NGC-4666 WFC3/UVI ACCUM UVIS F225W 1231.00 09 03 01 HT 2025.042 16:06:12 17:17:58 1753509 Veilleux 09-002 NGC-4666 WFC3/UVI ACCUM UVIS F225W 1231.00 09 04 01 HV 2025.042 17:17:58 17:18:06 1753509 Veilleux 09-003 NGC-4666 WFC3/UVI ACCUM UVIS F225W 1231.00 09 05 01 HW 2025.042 17:40:40 18:52:26 1753509 Veilleux 09-003 NGC-4666 WFC3/UVI ACCUM UVIS F225W 1231.00 09 06 01 HY 2025.042 18:52:26 18:52:34 1753509 Veilleux 09-004 NGC-4666 WFC3/UVI ACCUM UVIS F225W 1231.00 09 07 01 I0 2025.042 19:15:08 20:28:12 1753509 Veilleux 09-004 NGC-4666 WFC3/UVI ACCUM UVIS F225W 1231.00 09 08 01 I3 2025.042 20:28:12 20:28:46 1753509 Veilleux 09-005 NGC-4666 WFC3/UVI ACCUM UVIS F336W 772.00 09 09 01 I4 2025.042 20:43:47 20:58:56 1753509 Veilleux 09-005 NGC-4666 WFC3/UVI ACCUM UVIS F336W 772.00 09 0A 01 I6 2025.042 20:58:56 20:59:04 1753509 Veilleux 09-005 NGC-4666 WFC3/UVI ACCUM UVIS F336W 772.00 09 0B 01 I7 2025.042 14:35:56 20:35:56 17657AV Guzman AV-001 NONE ACS ANNEAL 21600.00 AV 01 01 2025.042 18:49:33 19:12:04 176160F Johnson 0F-001 DARK COS/NUV TIME-T PSA MIRRORA 1330.00 0F 01 01 HZ 2025.042 22:10:51 22:26:41 1748601 Battisti 01-001 MAGPI1531 WFC3/UVI ACCUM UVIS2-FIX F225W 780.00 01 01 01 IA 2025.042 22:26:41 22:41:59 1748601 Battisti 01-001 MAGPI1531 WFC3/UVI ACCUM UVIS2-FIX F225W 780.00 01 02 01 IB 2025.042 22:41:59 22:42:07 1748601 Battisti 01-001 MAGPI1531 WFC3/UVI ACCUM UVIS2-FIX F225W 781.00 01 03 01 IC 2025.042 23:48:31 00:04:09 1748601 Battisti 01-002 MAGPI1531 WFC3/UVI ACCUM UVIS2-FIX F275W 774.00 01 04 01 IH 2025.043 00:04:09 00:04:17 1748601 Battisti 01-002 MAGPI1531 WFC3/UVI ACCUM UVIS2-FIX F275W 774.00 01 05 01 II 2025.043 01:27:19 01:27:27 1748601 Battisti 01-002 MAGPI1531 WFC3/UVI ACCUM UVIS2-FIX F275W 773.00 01 06 01 IP 2025.043 01:42:30 01:43:01 1748601 Battisti 01-003 MAGPI1531 WFC3/UVI ACCUM UVIS2-FIX F336W 431.00 01 07 01 IU 13-Feb-2025 18:56:38 --- HST Observing Timeline Report for SMS: 250417F4 --- Page 6 SMS Start: 2025.041:00:00:00 (10-FEB-2025 00:00:00), End: 2025.048:00:00:00 (17-FEB-2025 00:00:00) Observation Set Principal Science Spectral Exposure Begin UT End UT SU Id Investigat Exp # Target Instrume Mode Apertures Elements Time(sec) OB AL EX O# -------- -------- -------- ------- ---------- ------ ---------- -------- ------ ------------ ------------ --------- -- -- -- -- 2025.043 01:52:22 01:52:30 1748601 Battisti 01-003 MAGPI1531 WFC3/UVI ACCUM UVIS2-FIX F336W 431.00 01 08 01 IW 2025.043 03:04:34 03:04:42 1748601 Battisti 01-003 MAGPI1531 WFC3/UVI ACCUM UVIS2-FIX F336W 431.00 01 09 01 J6 2025.043 03:14:03 03:14:34 1748601 Battisti 01-004 MAGPI1531 WFC3/UVI ACCUM UVIS2-FIX F390W 365.00 01 0A 01 J8 2025.043 03:22:48 03:31:12 1748601 Battisti 01-004 MAGPI1531 WFC3/UVI ACCUM UVIS2-FIX F390W 365.00 01 0B 01 JB 2025.042 23:44:29 23:48:53 17657AW Guzman AW-001 BIAS ACS/WFC ACCUM WFC F502N 0.00 AW 01 01 IE F660N 2025.042 23:48:53 23:49:03 17657AW Guzman AW-002 DARK ACS/WFC ACCUM WFC F502N 1040.00 AW 01 02 IF F660N 2025.043 00:21:10 00:25:34 17657AX Guzman AX-001 BIAS ACS/WFC ACCUM WFC F502N 0.00 AX 01 01 IL F660N 2025.043 00:25:34 00:25:44 17657AX Guzman AX-002 DARK ACS/WFC ACCUM WFC F502N 1040.00 AX 01 02 IM F660N 2025.043 01:28:45 01:33:09 17657AY Guzman AY-001 BIAS ACS/WFC ACCUM WFC F502N 0.00 AY 01 01 IR F660N 2025.043 01:33:09 01:33:19 17657AY Guzman AY-002 DARK ACS/WFC ACCUM WFC F502N 1040.00 AY 01 02 IS F660N 2025.043 02:04:07 02:08:31 17657AZ Guzman AZ-001 BIAS ACS/WFC ACCUM WFC F502N 0.00 AZ 01 01 IZ F660N 2025.043 02:08:31 02:08:41 17657AZ Guzman AZ-002 DARK ACS/WFC ACCUM WFC F502N 1040.00 AZ 01 02 J0 F660N 2025.043 02:59:43 03:18:47 176295L Dallas 5L-001 DARK STIS/CCD ACCUM F28X50LP MIRVIS 1100.00 5L 01 01 J3 2025.043 03:18:47 03:20:31 176295L Dallas 5L-002 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5L 01 02 J4 2025.043 03:20:31 03:22:19 176295L Dallas 5L-003 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5L 01 03 J5 2025.043 03:32:03 03:54:34 176160G Johnson 0G-001 DARK COS/NUV TIME-T PSA MIRRORA 1330.00 0G 01 01 JD 2025.043 03:43:14 03:44:33 1766641 Pidgeon 41-001 TUNGSTEN WFC3/UVI ACCUM UVIS F475X 1.00 41 01 01 JE 2025.043 03:44:33 03:48:39 1766641 Pidgeon 41-002 TUNGSTEN WFC3/UVI ACCUM UVIS F475X 200.00 41 01 02 JF 2025.043 03:48:39 03:49:43 1766641 Pidgeon 41-003 TUNGSTEN WFC3/UVI ACCUM UVIS F475X 1.00 41 01 03 JG 2025.043 04:43:30 04:50:21 1780038 Johnson 38-001 SDSS-J155443.61+340228.2 COS/NUV ACQ/IM PSA MIRRORA 90.00 38 01 01 JJ 2025.043 04:51:15 04:59:35 1780038 Johnson 38-002 SDSS-J155443.61+340228.2 COS/FUV TIME-T PSA G140L 300.00 38 03 01 JL 2025.043 05:00:11 05:06:20 1780038 Johnson 38-002 SDSS-J155443.61+340228.2 COS/FUV TIME-T PSA G140L 300.00 38 05 01 JN 2025.043 05:06:56 05:13:05 1780038 Johnson 38-002 SDSS-J155443.61+340228.2 COS/FUV TIME-T PSA G140L 300.00 38 07 01 JP 2025.043 05:13:41 05:19:50 1780038 Johnson 38-002 SDSS-J155443.61+340228.2 COS/FUV TIME-T PSA G140L 300.00 38 09 01 JR 2025.043 05:30:00 05:34:24 17653ES Guzman ES-001 BIAS ACS/WFC ACCUM WFC F502N 0.00 ES 01 01 JT F660N 2025.043 05:34:24 05:34:39 17653ES Guzman ES-002 DARK ACS/WFC ACCUM WFC F502N 650.50 ES 01 02 JU F660N 2025.043 05:47:45 05:48:00 17653ES Guzman ES-003 DARK ACS/WFC ACCUM WFC F502N 650.50 ES 01 03 JW F660N 2025.043 06:04:40 06:09:55 1744555 Gies 55-001 -KAP-DRA STIS/CCD ACQ F25ND5 MIRVIS 0.60 55 01 01 JY 2025.043 06:09:55 06:15:09 1744555 Gies 55-002 -KAP-DRA STIS/CCD ACQ/PE S330X050 MIRVIS 0.10 55 02 01 JZ 2025.043 06:15:09 06:17:59 1744555 Gies 55-002 -KAP-DRA STIS/CCD ACQ/PE S330X050 MIRVIS 0.10 55 03 01 K0 2025.043 06:17:59 06:19:51 1744555 Gies 55-003 -KAP-DRA STIS/MA1 ACCUM S200X050 E140M 1848.00 55 04 01 K1 2025.043 06:52:34 06:54:32 1744555 Gies 55-004 WAVELINE STIS/MA1 ACCUM S200X060 E140M 0.00 55 04 02 K4 2025.043 07:30:00 07:47:51 176671Y Pidgeon 1Y-001 DARK-NM WFC3/UVI ACCUM UVIS F487N 900.00 1Y 01 01 K7 2025.043 07:47:51 08:05:12 176671Y Pidgeon 1Y-001 DARK-NM WFC3/UVI ACCUM UVIS F487N 900.00 1Y 02 01 K8 13-Feb-2025 18:56:38 --- HST Observing Timeline Report for SMS: 250417F4 --- Page 7 SMS Start: 2025.041:00:00:00 (10-FEB-2025 00:00:00), End: 2025.048:00:00:00 (17-FEB-2025 00:00:00) Observation Set Principal Science Spectral Exposure Begin UT End UT SU Id Investigat Exp # Target Instrume Mode Apertures Elements Time(sec) OB AL EX O# -------- -------- -------- ------- ---------- ------ ---------- -------- ------ ------------ ------------ --------- -- -- -- -- 2025.043 08:53:33 08:57:52 1749114 Telford 14-001 SEXA-LGN-S007 COS/NUV ACQ/IM PSA MIRRORA 14.00 14 01 01 KA 2025.043 08:58:46 09:37:21 1749114 Telford 14-002 SEXA-LGN-S007 COS/FUV TIME-T PSA G130M 2129.00 14 03 01 KC 2025.043 10:30:37 11:12:40 1749114 Telford 14-003 SEXA-LGN-S007 COS/FUV TIME-T PSA G130M 2457.00 14 05 01 KF 2025.043 12:05:02 12:47:08 1749114 Telford 14-004 SEXA-LGN-S007 COS/FUV TIME-T PSA G130M 2457.00 14 07 01 KJ 2025.043 10:30:00 10:47:51 176671Z Pidgeon 1Z-001 DARK-NM WFC3/UVI ACCUM UVIS F502N 900.00 1Z 01 01 KE 2025.043 10:47:51 11:13:56 176671Z Pidgeon 1Z-001 DARK-NM WFC3/UVI ACCUM UVIS F502N 900.00 1Z 02 01 KG 2025.043 12:30:00 12:49:04 176295M Dallas 5M-001 DARK STIS/CCD ACCUM F28X50LP MIRVIS 1100.00 5M 01 01 KK 2025.043 12:49:04 12:50:48 176295M Dallas 5M-002 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5M 01 02 KL 2025.043 12:50:48 12:52:36 176295M Dallas 5M-003 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5M 01 03 KM 2025.043 13:37:57 13:42:22 1749163 Telford 63-001 SEXA-LGN-S004 COS/NUV ACQ/IM PSA MIRRORA 16.20 63 01 01 KP 2025.043 13:43:16 14:21:45 1749163 Telford 63-002 SEXA-LGN-S004 COS/FUV TIME-T PSA G130M 2123.00 63 03 01 LE 2025.043 15:13:57 15:56:03 1749163 Telford 63-003 SEXA-LGN-S004 COS/FUV TIME-T PSA G130M 2457.00 63 05 01 LH 2025.043 13:38:08 13:38:52 176322T Lothringer 2T-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2T 01 01 KQ 2025.043 13:38:52 13:39:36 176322T Lothringer 2T-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2T 01 02 KR 2025.043 13:39:36 13:40:20 176322T Lothringer 2T-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2T 01 03 KS 2025.043 13:40:20 13:41:04 176322T Lothringer 2T-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2T 01 04 KT 2025.043 13:41:04 13:41:48 176322T Lothringer 2T-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2T 01 05 KU 2025.043 13:41:48 13:42:32 176322T Lothringer 2T-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2T 01 06 KV 2025.043 13:42:32 13:43:20 176322T Lothringer 2T-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2T 01 07 KW 2025.043 13:46:13 13:46:57 176322T Lothringer 2T-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2T 01 08 KY 2025.043 13:46:57 13:47:41 176322T Lothringer 2T-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2T 01 09 KZ 2025.043 13:47:41 13:48:25 176322T Lothringer 2T-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2T 01 0A L0 2025.043 13:48:25 13:49:09 176322T Lothringer 2T-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2T 01 0B L1 2025.043 13:49:09 13:49:53 176322T Lothringer 2T-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2T 01 0C L2 2025.043 13:49:53 13:50:37 176322T Lothringer 2T-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2T 01 0D L3 2025.043 13:50:37 13:51:25 176322T Lothringer 2T-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2T 01 0E L4 2025.043 13:54:18 13:55:02 176322T Lothringer 2T-002 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2T 01 0F L6 2025.043 13:55:02 13:55:46 176322T Lothringer 2T-002 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2T 01 0G L7 2025.043 13:55:46 13:56:30 176322T Lothringer 2T-002 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2T 01 0H L8 2025.043 13:56:30 13:57:17 176322T Lothringer 2T-003 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2T 01 0I L9 2025.043 13:57:17 13:58:04 176322T Lothringer 2T-003 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2T 01 0J LA 2025.043 13:58:04 13:58:51 176322T Lothringer 2T-004 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2T 01 0K LB 2025.043 13:58:51 13:59:42 176322T Lothringer 2T-004 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2T 01 0L LC 2025.043 15:30:00 15:34:36 17653ET Guzman ET-001 DARK ACS/WFC ACCUM WFC F502N 0.50 ET 01 01 LI F660N 2025.043 15:34:36 15:34:51 17653ET Guzman ET-002 DARK ACS/WFC ACCUM WFC F502N 650.50 ET 01 02 LJ F660N 2025.043 15:47:57 15:48:12 17653ET Guzman ET-003 DARK ACS/WFC ACCUM WFC F502N 650.50 ET 01 03 LL F660N 2025.043 16:56:32 17:02:50 1750220 Thilker 20-001 NGC3626 WFC3/UVI ACCUM UVIS-CENTER F814W 209.00 20 01 01 LP 2025.043 17:02:50 17:03:24 1750220 Thilker 20-002 NGC3626 WFC3/UVI ACCUM UVIS-CENTER F438W 350.00 20 01 02 LR 2025.043 17:11:24 17:11:55 1750220 Thilker 20-003 NGC3626 WFC3/UVI ACCUM UVIS-CENTER F336W 350.00 20 01 03 LT 2025.043 16:56:32 17:19:56 1750220 Thilker 20-004 ANY ACS/WFC ACCUM WFC CLEAR1L 1175.00 20 01 04 LQ F814W 2025.043 17:19:56 17:26:48 1750220 Thilker 20-005 NGC3626 WFC3/UVI ACCUM UVIS-CENTER F275W 730.00 20 02 01 LV 13-Feb-2025 18:56:39 --- HST Observing Timeline Report for SMS: 250417F4 --- Page 8 SMS Start: 2025.041:00:00:00 (10-FEB-2025 00:00:00), End: 2025.048:00:00:00 (17-FEB-2025 00:00:00) Observation Set Principal Science Spectral Exposure Begin UT End UT SU Id Investigat Exp # Target Instrume Mode Apertures Elements Time(sec) OB AL EX O# -------- -------- -------- ------- ---------- ------ ---------- -------- ------ ------------ ------------ --------- -- -- -- -- 2025.043 17:34:48 17:40:44 1750220 Thilker 20-006 NGC3626 WFC3/UVI ACCUM UVIS-CENTER F555W 190.00 20 02 02 LZ 2025.043 17:19:56 17:21:01 1750220 Thilker 20-007 ANY ACS/WFC ACCUM WFC F606W 933.00 20 02 03 LW CLEAR2L 2025.043 18:28:06 18:35:10 1750220 Thilker 20-008 NGC3626 WFC3/UVI ACCUM UVIS-CENTER F814W 270.00 20 04 01 M1 2025.043 18:35:10 18:35:44 1750220 Thilker 20-009 NGC3626 WFC3/UVI ACCUM UVIS-CENTER F438W 350.00 20 04 02 M4 2025.043 18:43:44 18:51:26 1750220 Thilker 20-010 NGC3626 WFC3/UVI ACCUM UVIS-CENTER F336W 300.00 20 04 03 M6 2025.043 18:28:06 18:28:16 1750220 Thilker 20-011 ANY ACS/WFC ACCUM WFC F606W 910.00 20 04 04 M2 CLEAR2L 2025.043 18:51:26 18:51:57 1750220 Thilker 20-012 NGC3626 WFC3/UVI ACCUM UVIS-CENTER F275W 680.00 20 05 01 M8 2025.043 19:05:28 19:12:05 1750220 Thilker 20-013 NGC3626 WFC3/UVI ACCUM UVIS-CENTER F555W 235.00 20 05 02 MB 2025.043 18:51:26 20:05:43 1750220 Thilker 20-014 ANY ACS/WFC ACCUM WFC CLEAR1L 920.00 20 05 03 M9 F814W 2025.043 20:05:43 20:12:47 1750220 Thilker 20-015 NGC3626 WFC3/UVI ACCUM UVIS-CENTER F814W 270.00 20 07 01 MD 2025.043 20:12:47 20:13:21 1750220 Thilker 20-016 NGC3626 WFC3/UVI ACCUM UVIS-CENTER F438W 350.00 20 07 02 MG 2025.043 20:21:21 20:29:53 1750220 Thilker 20-017 NGC3626 WFC3/UVI ACCUM UVIS-CENTER F336W 350.00 20 07 03 MI 2025.043 20:05:43 20:05:53 1750220 Thilker 20-018 ANY ACS/WFC ACCUM WFC CLEAR1L 960.00 20 07 04 ME F814W 2025.043 20:29:53 20:30:24 1750220 Thilker 20-019 NGC3626 WFC3/UVI ACCUM UVIS-CENTER F275W 665.00 20 08 01 MK 2025.043 20:43:40 20:49:42 1750220 Thilker 20-020 NGC3626 WFC3/UVI ACCUM UVIS-CENTER F555W 200.00 20 08 02 MN 2025.043 20:29:53 21:00:50 1750220 Thilker 20-021 ANY ACS/WFC ACCUM WFC F606W 870.00 20 08 03 ML CLEAR2L 2025.043 21:06:58 21:10:55 159625U Reinhart 5U-001 DARK S/C DATA NONE 60.00 5U 01 01 MQ 2025.043 21:07:58 21:10:55 159625U Reinhart 5U-002 DARK S/C DATA NONE 60.00 5U 01 02 MR 2025.043 21:09:00 21:10:55 159625U Reinhart 5U-003 DARK S/C DATA NONE 60.00 5U 01 03 MS 2025.043 21:09:58 21:10:55 159625U Reinhart 5U-004 DARK S/C DATA NONE 60.00 5U 01 04 MT 2025.043 21:50:08 21:51:09 1768118 Mack 18-001 GRW+70 WFC3/IR MULTIA IRSUB128 F105W 1.81 18 01 01 MU 2025.043 21:51:09 21:52:10 1768118 Mack 18-001 GRW+70 WFC3/IR MULTIA IRSUB128 F105W 1.81 18 02 01 MV 2025.043 21:52:10 21:53:14 1768118 Mack 18-001 GRW+70 WFC3/IR MULTIA IRSUB128 F105W 1.81 18 03 01 MW 2025.043 21:53:14 21:54:14 1768118 Mack 18-002 GRW+70 WFC3/IR MULTIA IRSUB128 F110W 1.45 18 04 01 MX 2025.043 21:54:14 21:55:19 1768118 Mack 18-002 GRW+70 WFC3/IR MULTIA IRSUB128 F110W 1.45 18 05 01 MY 2025.043 21:55:19 21:56:20 1768118 Mack 18-003 GRW+70 WFC3/IR MULTIA IRSUB128 F098M 1.81 18 06 01 MZ 2025.043 21:56:20 21:57:30 1768118 Mack 18-003 GRW+70 WFC3/IR MULTIA IRSUB128 F098M 1.81 18 07 01 N0 2025.043 21:57:30 21:58:32 1768118 Mack 18-004 GRW+70 WFC3/IR MULTIA IRSUB256 F127M 3.08 18 08 01 N1 2025.043 21:58:32 21:59:38 1768118 Mack 18-004 GRW+70 WFC3/IR MULTIA IRSUB256 F127M 3.08 18 09 01 N2 2025.043 21:59:38 22:00:56 1768118 Mack 18-005 GRW+70 WFC3/IR MULTIA IRSUB256 F139M 19.07 18 0A 01 N3 2025.043 22:00:56 22:02:27 1768118 Mack 18-005 GRW+70 WFC3/IR MULTIA IRSUB256 F139M 19.07 18 0B 01 N4 2025.043 22:02:27 22:03:30 1768118 Mack 18-006 GRW+70 WFC3/IR MULTIA IRSUB256 F160W 4.21 18 0C 01 N5 2025.043 22:03:30 22:04:46 1768118 Mack 18-006 GRW+70 WFC3/IR MULTIA IRSUB256 F160W 4.21 18 0D 01 N6 2025.043 22:04:46 22:06:07 1768118 Mack 18-007 GRW+70 WFC3/IR MULTIA IRSUB256 F153M 21.42 18 0E 01 N7 2025.043 22:06:07 22:07:36 1768118 Mack 18-007 GRW+70 WFC3/IR MULTIA IRSUB256 F153M 21.42 18 0F 01 N8 2025.043 22:07:36 22:08:38 1768118 Mack 18-008 GRW+70 WFC3/IR MULTIA IRSUB256 F125W 3.08 18 0G 01 N9 2025.043 22:08:38 22:09:44 1768118 Mack 18-008 GRW+70 WFC3/IR MULTIA IRSUB256 F125W 3.08 18 0H 01 NA 2025.043 22:09:44 22:10:46 1768118 Mack 18-009 GRW+70 WFC3/IR MULTIA IRSUB256 F140W 3.08 18 0I 01 NB 2025.043 22:10:46 22:12:05 1768118 Mack 18-009 GRW+70 WFC3/IR MULTIA IRSUB256 F140W 3.08 18 0J 01 NC 2025.043 22:16:50 22:18:09 1768118 Mack 18-010 GRW+70 WFC3/IR MULTIA IRSUB512 F126N 38.94 18 0L 01 NE 13-Feb-2025 18:56:39 --- HST Observing Timeline Report for SMS: 250417F4 --- Page 9 SMS Start: 2025.041:00:00:00 (10-FEB-2025 00:00:00), End: 2025.048:00:00:00 (17-FEB-2025 00:00:00) Observation Set Principal Science Spectral Exposure Begin UT End UT SU Id Investigat Exp # Target Instrume Mode Apertures Elements Time(sec) OB AL EX O# -------- -------- -------- ------- ---------- ------ ---------- -------- ------ ------------ ------------ --------- -- -- -- -- 2025.043 22:30:09 22:31:28 1768118 Mack 18-010 GRW+70 WFC3/IR MULTIA IRSUB512 F126N 38.94 18 0N 01 NK 2025.043 22:18:09 22:19:17 1768118 Mack 18-011 GRW+70 WFC3/IR MULTIA IRSUB512 F128N 38.94 18 0L 02 NF 2025.043 22:31:28 22:32:36 1768118 Mack 18-011 GRW+70 WFC3/IR MULTIA IRSUB512 F128N 38.94 18 0N 02 NL 2025.043 22:19:17 22:20:18 1768118 Mack 18-012 GRW+70 WFC3/IR MULTIA IRSUB512 F130N 36.01 18 0L 03 NG 2025.043 22:32:36 22:33:37 1768118 Mack 18-012 GRW+70 WFC3/IR MULTIA IRSUB512 F130N 36.01 18 0N 03 NM 2025.043 22:20:18 22:21:22 1768118 Mack 18-013 GRW+70 WFC3/IR MULTIA IRSUB512 F132N 38.94 18 0L 04 NH 2025.043 22:33:37 22:34:41 1768118 Mack 18-013 GRW+70 WFC3/IR MULTIA IRSUB512 F132N 38.94 18 0N 04 NN 2025.043 22:21:22 22:23:07 1768118 Mack 18-014 GRW+70 WFC3/IR MULTIA IRSUB512 F164N 38.94 18 0L 05 NI 2025.043 22:34:41 22:36:26 1768118 Mack 18-014 GRW+70 WFC3/IR MULTIA IRSUB512 F164N 38.94 18 0N 05 NO 2025.043 23:47:46 23:51:08 1789302 Anderson 02-001 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 35.00 02 01 01 NQ 2025.043 23:51:08 23:51:16 1789302 Anderson 02-002 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 350.00 02 01 02 NR 2025.043 23:59:09 23:59:17 1789302 Anderson 02-003 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 350.00 02 01 03 NT 2025.044 00:07:10 00:07:18 1789302 Anderson 02-004 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 350.00 02 01 04 NV 2025.044 00:15:11 00:15:19 1789302 Anderson 02-005 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 350.00 02 02 01 NX 2025.044 00:23:12 00:32:51 1789302 Anderson 02-006 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 350.00 02 02 02 O0 2025.044 00:15:11 00:24:41 1789302 Anderson 02-007 ANY ACS/WFC ACCUM WFC F606W 350.00 02 02 03 NY CLEAR2L 2025.044 00:24:41 00:24:51 1789302 Anderson 02-008 ANY ACS/WFC ACCUM WFC F606W 350.00 02 02 04 O1 CLEAR2L 2025.044 01:10:01 01:14:20 1779402 Boro Saiki 02-001 HD-191939 COS/NUV ACQ/IM BOA MIRRORA 8.10 02 01 01 O5 2025.044 01:15:14 01:25:20 1779402 Boro Saiki 02-002 HD-191939 COS/FUV TIME-T PSA G140L 400.00 02 03 01 O7 2025.044 01:25:56 01:33:45 1779402 Boro Saiki 02-002 HD-191939 COS/FUV TIME-T PSA G140L 400.00 02 05 01 O9 2025.044 01:34:21 01:42:10 1779402 Boro Saiki 02-002 HD-191939 COS/FUV TIME-T PSA G140L 400.00 02 07 01 OB 2025.044 01:42:46 01:50:35 1779402 Boro Saiki 02-002 HD-191939 COS/FUV TIME-T PSA G140L 400.00 02 09 01 OD 2025.044 02:39:48 02:44:47 1743527 Massari 27-001 GRAN-3 ACS/WFC ACCUM WFC F606W 18.00 27 01 01 OI CLEAR2L 2025.044 02:39:48 02:44:47 1743527 Massari 27-002 ANY WFC3/UVI ACCUM UVIS-CENTER F814W 50.00 27 01 02 OJ 2025.044 02:44:47 02:44:59 1743527 Massari 27-003 GRAN-3 ACS/WFC ACCUM WFC F606W 667.00 27 02 01 OK CLEAR2L 2025.044 02:44:47 02:50:46 1743527 Massari 27-004 ANY WFC3/UVI ACCUM UVIS-CENTER F814W 699.00 27 02 02 OL 2025.044 02:58:48 02:59:00 1743527 Massari 27-005 GRAN-3 ACS/WFC ACCUM WFC F606W 667.00 27 03 01 OO CLEAR2L 2025.044 02:58:48 03:04:47 1743527 Massari 27-006 ANY WFC3/UVI ACCUM UVIS-CENTER F814W 699.00 27 03 02 OP 2025.044 03:12:46 03:12:58 1743527 Massari 27-007 GRAN-3 ACS/WFC ACCUM WFC F606W 528.00 27 04 01 OT CLEAR2L 2025.044 03:12:46 03:24:22 1743527 Massari 27-008 ANY WFC3/UVI ACCUM UVIS-CENTER F814W 560.00 27 04 02 OU 2025.044 02:35:13 02:54:17 176295N Dallas 5N-001 DARK STIS/CCD ACCUM F28X50LP MIRVIS 1100.00 5N 01 01 OF 2025.044 02:54:17 02:56:01 176295N Dallas 5N-002 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5N 01 02 OG 2025.044 02:56:01 03:10:41 176295N Dallas 5N-003 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5N 01 03 OH 2025.044 04:27:22 04:49:19 17646H1 Brown H1-001 DARK STIS/MA2 TIME-T F28X50LP MIRVIS 1300.00 H1 01 01 OY 2025.044 05:21:34 05:25:53 1749115 Telford 15-001 SEXA-LGN-S007 COS/NUV ACQ/IM PSA MIRRORA 14.00 15 01 01 P0 2025.044 05:26:47 06:05:22 1749115 Telford 15-002 SEXA-LGN-S007 COS/FUV TIME-T PSA G130M 2129.00 15 03 01 P2 2025.044 06:58:35 07:40:41 1749115 Telford 15-003 SEXA-LGN-S007 COS/FUV TIME-T PSA G130M 2457.00 15 05 01 P4 2025.044 08:33:05 09:15:08 1749115 Telford 15-004 SEXA-LGN-S007 COS/FUV TIME-T PSA G130M 2457.00 15 07 01 P9 2025.044 07:30:00 07:47:51 176672A Pidgeon 2A-001 DARK-NM WFC3/UVI ACCUM UVIS F469N 900.00 2A 01 01 P5 13-Feb-2025 18:56:39 --- HST Observing Timeline Report for SMS: 250417F4 --- Page 10 SMS Start: 2025.041:00:00:00 (10-FEB-2025 00:00:00), End: 2025.048:00:00:00 (17-FEB-2025 00:00:00) Observation Set Principal Science Spectral Exposure Begin UT End UT SU Id Investigat Exp # Target Instrume Mode Apertures Elements Time(sec) OB AL EX O# -------- -------- -------- ------- ---------- ------ ---------- -------- ------ ------------ ------------ --------- -- -- -- -- 2025.044 07:47:51 08:05:12 176672A Pidgeon 2A-001 DARK-NM WFC3/UVI ACCUM UVIS F469N 900.00 2A 02 01 P7 2025.044 09:12:22 09:34:19 17646H2 Brown H2-001 DARK STIS/MA2 TIME-T F28X50LP MIRVIS 1300.00 H2 01 01 PA 2025.044 10:07:31 10:11:50 1749166 Telford 66-001 SEXA-LGN-S007 COS/NUV ACQ/IM PSA MIRRORA 14.00 66 01 01 PD 2025.044 10:12:44 10:51:19 1749166 Telford 66-002 SEXA-LGN-S007 COS/FUV TIME-T PSA G130M 2129.00 66 03 01 PF 2025.044 11:41:58 12:24:04 1749166 Telford 66-003 SEXA-LGN-S007 COS/FUV TIME-T PSA G130M 2457.00 66 05 01 PH 2025.044 12:30:00 12:49:04 176295O Dallas 5O-001 DARK STIS/CCD ACCUM F28X50LP MIRVIS 1100.00 5O 01 01 PJ 2025.044 12:49:04 12:50:48 176295O Dallas 5O-002 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5O 01 02 PK 2025.044 12:50:48 12:52:36 176295O Dallas 5O-003 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5O 01 03 PL 2025.044 13:28:34 13:34:52 17502B4 Thilker B4-001 NGC4540 WFC3/UVI ACCUM UVIS-CENTER F814W 209.00 B4 01 01 PN 2025.044 13:34:52 13:35:26 17502B4 Thilker B4-002 NGC4540 WFC3/UVI ACCUM UVIS-CENTER F438W 350.00 B4 01 02 PP 2025.044 13:43:26 13:43:57 17502B4 Thilker B4-003 NGC4540 WFC3/UVI ACCUM UVIS-CENTER F336W 350.00 B4 01 03 PR 2025.044 13:28:34 13:51:58 17502B4 Thilker B4-004 ANY ACS/WFC ACCUM WFC CLEAR1L 1175.00 B4 01 04 PO F814W 2025.044 13:51:58 13:58:50 17502B4 Thilker B4-005 NGC4540 WFC3/UVI ACCUM UVIS-CENTER F275W 730.00 B4 02 01 PT 2025.044 14:06:50 14:12:46 17502B4 Thilker B4-006 NGC4540 WFC3/UVI ACCUM UVIS-CENTER F555W 190.00 B4 02 02 PX 2025.044 13:51:58 13:53:03 17502B4 Thilker B4-007 ANY ACS/WFC ACCUM WFC F606W 933.00 B4 02 03 PU CLEAR2L 2025.044 14:58:45 15:05:49 17502B4 Thilker B4-008 NGC4540 WFC3/UVI ACCUM UVIS-CENTER F814W 270.00 B4 04 01 QN 2025.044 15:05:49 15:06:23 17502B4 Thilker B4-009 NGC4540 WFC3/UVI ACCUM UVIS-CENTER F438W 350.00 B4 04 02 QQ 2025.044 15:14:23 15:22:05 17502B4 Thilker B4-010 NGC4540 WFC3/UVI ACCUM UVIS-CENTER F336W 300.00 B4 04 03 QS 2025.044 14:58:45 14:58:55 17502B4 Thilker B4-011 ANY ACS/WFC ACCUM WFC F606W 910.00 B4 04 04 QO CLEAR2L 2025.044 15:22:05 15:22:36 17502B4 Thilker B4-012 NGC4540 WFC3/UVI ACCUM UVIS-CENTER F275W 680.00 B4 05 01 QU 2025.044 15:36:07 15:42:44 17502B4 Thilker B4-013 NGC4540 WFC3/UVI ACCUM UVIS-CENTER F555W 235.00 B4 05 02 QX 2025.044 15:22:05 16:33:12 17502B4 Thilker B4-014 ANY ACS/WFC ACCUM WFC CLEAR1L 920.00 B4 05 03 QV F814W 2025.044 16:33:12 16:40:16 17502B4 Thilker B4-015 NGC4540 WFC3/UVI ACCUM UVIS-CENTER F814W 270.00 B4 07 01 QZ 2025.044 16:40:16 16:40:50 17502B4 Thilker B4-016 NGC4540 WFC3/UVI ACCUM UVIS-CENTER F438W 350.00 B4 07 02 R2 2025.044 16:48:50 16:57:22 17502B4 Thilker B4-017 NGC4540 WFC3/UVI ACCUM UVIS-CENTER F336W 350.00 B4 07 03 R4 2025.044 16:33:12 16:33:22 17502B4 Thilker B4-018 ANY ACS/WFC ACCUM WFC CLEAR1L 960.00 B4 07 04 R0 F814W 2025.044 16:57:22 16:57:53 17502B4 Thilker B4-019 NGC4540 WFC3/UVI ACCUM UVIS-CENTER F275W 665.00 B4 08 01 R6 2025.044 17:11:09 17:17:11 17502B4 Thilker B4-020 NGC4540 WFC3/UVI ACCUM UVIS-CENTER F555W 200.00 B4 08 02 R9 2025.044 16:57:22 17:28:19 17502B4 Thilker B4-021 ANY ACS/WFC ACCUM WFC F606W 870.00 B4 08 03 R7 CLEAR2L 2025.044 14:18:44 14:19:28 176322U Lothringer 2U-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2U 01 01 PZ 2025.044 14:19:28 14:20:12 176322U Lothringer 2U-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2U 01 02 Q0 2025.044 14:20:12 14:20:56 176322U Lothringer 2U-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2U 01 03 Q1 2025.044 14:20:56 14:21:40 176322U Lothringer 2U-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2U 01 04 Q2 2025.044 14:21:40 14:22:24 176322U Lothringer 2U-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2U 01 05 Q3 2025.044 14:22:24 14:23:08 176322U Lothringer 2U-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2U 01 06 Q4 2025.044 14:23:08 14:23:56 176322U Lothringer 2U-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2U 01 07 Q5 2025.044 14:26:49 14:27:33 176322U Lothringer 2U-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2U 01 08 Q7 2025.044 14:27:33 14:28:17 176322U Lothringer 2U-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2U 01 09 Q8 2025.044 14:28:17 14:29:01 176322U Lothringer 2U-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2U 01 0A Q9 13-Feb-2025 18:56:39 --- HST Observing Timeline Report for SMS: 250417F4 --- Page 11 SMS Start: 2025.041:00:00:00 (10-FEB-2025 00:00:00), End: 2025.048:00:00:00 (17-FEB-2025 00:00:00) Observation Set Principal Science Spectral Exposure Begin UT End UT SU Id Investigat Exp # Target Instrume Mode Apertures Elements Time(sec) OB AL EX O# -------- -------- -------- ------- ---------- ------ ---------- -------- ------ ------------ ------------ --------- -- -- -- -- 2025.044 14:29:01 14:29:45 176322U Lothringer 2U-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2U 01 0B QA 2025.044 14:29:45 14:30:29 176322U Lothringer 2U-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2U 01 0C QB 2025.044 14:30:29 14:31:13 176322U Lothringer 2U-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2U 01 0D QC 2025.044 14:31:13 14:32:01 176322U Lothringer 2U-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2U 01 0E QD 2025.044 14:34:54 14:35:38 176322U Lothringer 2U-002 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2U 01 0F QF 2025.044 14:35:38 14:36:22 176322U Lothringer 2U-002 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2U 01 0G QG 2025.044 14:36:22 14:37:06 176322U Lothringer 2U-002 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2U 01 0H QH 2025.044 14:37:06 14:37:53 176322U Lothringer 2U-003 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2U 01 0I QI 2025.044 14:37:53 14:38:40 176322U Lothringer 2U-003 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2U 01 0J QJ 2025.044 14:38:40 14:39:27 176322U Lothringer 2U-004 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2U 01 0K QK 2025.044 14:39:27 14:40:18 176322U Lothringer 2U-004 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2U 01 0L QL 2025.044 18:12:30 18:17:15 1778803 Howell 03-001 SN2025BCO STIS/CCD ACQ F28X50LP MIRVIS 2.00 03 01 01 RC 2025.044 18:17:15 18:27:05 1778803 Howell 03-002 SN2025BCO STIS/CCD ACCUM SL200 G430L 461.50 03 02 01 RD 2025.044 18:27:05 18:35:34 1778803 Howell 03-002 SN2025BCO STIS/CCD ACCUM SL200 G430L 461.50 03 02 02 RE 2025.044 18:35:34 18:36:49 1778803 Howell 03-003 WAVEHITM STIS/CCD ACCUM SL200 G430L 0.00 03 02 03 RF 2025.044 18:36:49 18:46:48 1778803 Howell 03-004 SN2025BCO STIS/CCD ACCUM SL200 G750L 427.50 03 02 04 RG 2025.044 18:46:48 18:47:04 1778803 Howell 03-004 SN2025BCO STIS/CCD ACCUM SL200 G750L 427.50 03 02 05 RH 2025.044 18:54:43 18:55:55 1778803 Howell 03-005 WAVEHITM STIS/CCD ACCUM SL200 G750L 0.00 03 02 06 RJ 2025.044 18:55:55 18:58:05 1778803 Howell 03-006 CCDFLAT STIS/CCD ACCUM SL100 G750L 25.00 03 03 01 RK 2025.044 18:58:05 19:44:13 1778803 Howell 03-006 CCDFLAT STIS/CCD ACCUM SL100 G750L 25.00 03 03 02 RL 2025.044 19:44:13 19:59:39 1778803 Howell 03-007 SN2025BCO STIS/CCD ACCUM SL200 G230LB 738.30 03 04 01 RM 2025.044 19:59:39 20:12:42 1778803 Howell 03-007 SN2025BCO STIS/CCD ACCUM SL200 G230LB 738.30 03 04 02 RN 2025.044 20:12:42 20:12:58 1778803 Howell 03-007 SN2025BCO STIS/CCD ACCUM SL200 G230LB 738.30 03 04 03 RO 2025.044 20:25:48 20:27:07 1778803 Howell 03-008 WAVEHITM STIS/CCD ACCUM SL200 G230LB 0.00 03 04 04 RQ 2025.044 21:20:59 21:21:47 1768851 Alam 51-001 GD-153 WFC3/IR MULTIA GRISM1024 F098M 5.88 51 01 01 RS 2025.044 21:21:47 21:22:17 1768851 Alam 51-002 GD-153 WFC3/IR MULTIA GRISM1024 F105W 2.94 51 01 02 RT 2025.044 21:22:17 21:25:03 1768851 Alam 51-003 GD-153 WFC3/IR MULTIA GRISM1024 G102 102.97 51 01 03 RU 2025.044 21:25:03 21:25:51 1768851 Alam 51-004 GD-153 WFC3/IR MULTIA GRISM1024 F098M 5.88 51 02 01 RV 2025.044 21:25:51 21:26:21 1768851 Alam 51-005 GD-153 WFC3/IR MULTIA GRISM1024 F105W 2.94 51 02 02 RW 2025.044 21:26:21 21:29:14 1768851 Alam 51-006 GD-153 WFC3/IR MULTIA GRISM1024 G102 102.97 51 02 03 RX 2025.044 21:29:14 21:30:02 1768851 Alam 51-007 GD-153 WFC3/IR MULTIA GRISM1024 F098M 5.88 51 03 01 RY 2025.044 21:30:02 21:30:32 1768851 Alam 51-008 GD-153 WFC3/IR MULTIA GRISM1024 F105W 2.94 51 03 02 RZ 2025.044 21:30:32 21:33:21 1768851 Alam 51-009 GD-153 WFC3/IR MULTIA GRISM1024 G102 102.97 51 03 03 S0 2025.044 21:44:43 21:45:31 1768851 Alam 51-010 GD-153 WFC3/IR MULTIA GRISM1024 F160W 5.88 51 05 01 S2 2025.044 21:45:31 21:46:12 1768851 Alam 51-011 GD-153 WFC3/IR MULTIA GRISM1024 F140W 2.94 51 05 02 S3 2025.044 21:46:12 21:49:04 1768851 Alam 51-012 GD-153 WFC3/IR MULTIA GRISM1024 G141 102.97 51 05 03 S4 2025.044 21:49:04 21:51:29 1768851 Alam 51-013 GD-153 WFC3/IR MULTIA GRISM1024 G141 102.97 51 06 01 S5 2025.044 21:51:29 21:52:04 1768851 Alam 51-014 GD-153 WFC3/IR MULTIA GRISM1024 F160W 5.88 51 06 02 S6 2025.044 21:52:04 21:53:26 1768851 Alam 51-015 GD-153 WFC3/IR MULTIA GRISM1024 F140W 2.94 51 06 03 S7 2025.044 21:53:26 21:55:51 1768851 Alam 51-016 GD-153 WFC3/IR MULTIA GRISM1024 G141 102.97 51 07 01 S8 2025.044 21:55:51 21:56:26 1768851 Alam 51-017 GD-153 WFC3/IR MULTIA GRISM1024 F160W 5.88 51 07 02 S9 2025.044 21:56:26 21:57:44 1768851 Alam 51-018 GD-153 WFC3/IR MULTIA GRISM1024 F140W 2.94 51 07 03 SA 2025.044 23:10:14 23:15:13 1743528 Massari 28-001 GRAN-3 ACS/WFC ACCUM WFC CLEAR1L 18.00 28 01 01 SC F814W 2025.044 23:10:14 23:15:13 1743528 Massari 28-002 ANY WFC3/UVI ACCUM UVIS-CENTER F606W 60.00 28 01 02 SD 13-Feb-2025 18:56:40 --- HST Observing Timeline Report for SMS: 250417F4 --- Page 12 SMS Start: 2025.041:00:00:00 (10-FEB-2025 00:00:00), End: 2025.048:00:00:00 (17-FEB-2025 00:00:00) Observation Set Principal Science Spectral Exposure Begin UT End UT SU Id Investigat Exp # Target Instrume Mode Apertures Elements Time(sec) OB AL EX O# -------- -------- -------- ------- ---------- ------ ---------- -------- ------ ------------ ------------ --------- -- -- -- -- 2025.044 23:15:13 23:15:25 1743528 Massari 28-003 GRAN-3 ACS/WFC ACCUM WFC CLEAR1L 667.00 28 02 01 SE F814W 2025.044 23:15:13 23:21:12 1743528 Massari 28-004 ANY WFC3/UVI ACCUM UVIS-CENTER F606W 709.00 28 02 02 SF 2025.044 23:29:14 23:29:26 1743528 Massari 28-005 GRAN-3 ACS/WFC ACCUM WFC CLEAR1L 667.00 28 03 01 SI F814W 2025.044 23:29:14 23:35:13 1743528 Massari 28-006 ANY WFC3/UVI ACCUM UVIS-CENTER F606W 709.00 28 03 02 SJ 2025.044 23:43:12 23:43:24 1743528 Massari 28-007 GRAN-3 ACS/WFC ACCUM WFC CLEAR1L 528.00 28 04 01 SM F814W 2025.044 23:43:12 23:54:52 1743528 Massari 28-008 ANY WFC3/UVI ACCUM UVIS-CENTER F606W 570.00 28 04 02 SN 2025.045 00:58:09 01:01:31 1789303 Anderson 03-001 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 35.00 03 01 01 SR 2025.045 01:01:31 01:01:39 1789303 Anderson 03-002 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 350.00 03 01 02 SS 2025.045 01:09:32 01:09:40 1789303 Anderson 03-003 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 350.00 03 01 03 SU 2025.045 01:17:33 01:17:41 1789303 Anderson 03-004 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 350.00 03 01 04 SW 2025.045 01:25:34 01:25:42 1789303 Anderson 03-005 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 350.00 03 02 01 SY 2025.045 01:33:35 01:43:14 1789303 Anderson 03-006 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 350.00 03 02 02 T1 2025.045 01:25:34 01:35:04 1789303 Anderson 03-007 ANY ACS/WFC ACCUM WFC F606W 350.00 03 02 03 SZ CLEAR2L 2025.045 01:35:04 01:35:14 1789303 Anderson 03-008 ANY ACS/WFC ACCUM WFC F606W 350.00 03 02 04 T2 CLEAR2L 2025.045 02:23:46 02:30:37 1780042 Johnson 42-001 SDSS-J164214.67+274146.7 COS/NUV ACQ/IM PSA MIRRORA 90.00 42 01 01 T6 2025.045 02:31:31 02:39:51 1780042 Johnson 42-002 SDSS-J164214.67+274146.7 COS/FUV TIME-T PSA G140L 300.00 42 03 01 TB 2025.045 02:40:27 02:46:36 1780042 Johnson 42-002 SDSS-J164214.67+274146.7 COS/FUV TIME-T PSA G140L 300.00 42 05 01 TD 2025.045 02:47:12 02:53:21 1780042 Johnson 42-002 SDSS-J164214.67+274146.7 COS/FUV TIME-T PSA G140L 300.00 42 07 01 TF 2025.045 02:53:57 03:00:06 1780042 Johnson 42-002 SDSS-J164214.67+274146.7 COS/FUV TIME-T PSA G140L 300.00 42 09 01 TI 2025.045 02:30:00 02:49:04 176295P Dallas 5P-001 DARK STIS/CCD ACCUM F28X50LP MIRVIS 1100.00 5P 01 01 T7 2025.045 02:49:04 02:50:48 176295P Dallas 5P-002 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5P 01 02 T8 2025.045 02:50:48 02:54:01 176295P Dallas 5P-003 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5P 01 03 T9 2025.045 04:16:19 04:21:30 1770308 De Cia 08-001 10-PER STIS/CCD ACQ F25ND3 MIRVIS 1.00 08 01 01 TK 2025.045 04:21:30 04:23:39 1770308 De Cia 08-002 10-PER STIS/MA2 ACCUM S200X200 E230H 2112.00 08 02 01 TL 2025.045 05:00:46 05:44:56 1770308 De Cia 08-003 WAVELINE STIS/MA2 ACCUM S200X200 E230H 0.00 08 02 02 TO 2025.045 05:44:56 05:47:35 1770308 De Cia 08-004 10-PER STIS/MA2 ACCUM S200X200 E230H 2393.00 08 03 01 TU 2025.045 06:29:23 06:30:48 1770308 De Cia 08-005 WAVELINE STIS/MA2 ACCUM S200X200 E230H 0.00 08 03 02 TX 2025.045 05:30:30 05:34:54 17653EW Guzman EW-001 BIAS ACS/WFC ACCUM WFC F502N 0.00 EW 01 01 TP F660N 2025.045 05:34:54 05:35:09 17653EW Guzman EW-002 DARK ACS/WFC ACCUM WFC F502N 650.50 EW 01 02 TQ F660N 2025.045 05:48:15 05:48:30 17653EW Guzman EW-003 DARK ACS/WFC ACCUM WFC F502N 650.50 EW 01 03 TS F660N 2025.045 07:18:36 07:23:47 1770324 De Cia 24-001 HD-10125 STIS/CCD ACQ F25ND3 MIRVIS 1.00 24 01 01 U0 2025.045 07:23:47 07:25:26 1770324 De Cia 24-002 HD-10125 STIS/MA1 ACCUM S200X200 E140M 2150.00 24 02 01 U1 2025.045 08:03:11 08:38:43 1770324 De Cia 24-003 WAVELINE STIS/MA1 ACCUM S200X200 E140M 0.00 24 02 02 U4 2025.045 08:38:43 08:41:32 1770324 De Cia 24-004 HD-10125 STIS/MA2 ACCUM S200X200 E230M 2391.00 24 03 01 U8 2025.045 09:23:18 09:24:43 1770324 De Cia 24-005 WAVELINE STIS/MA2 ACCUM S200X200 E230M 0.00 24 03 02 UB 2025.045 07:30:00 07:47:51 176672B Pidgeon 2B-001 DARK-NM WFC3/UVI ACCUM UVIS F343N 900.00 2B 01 01 U5 2025.045 07:47:51 08:05:12 176672B Pidgeon 2B-001 DARK-NM WFC3/UVI ACCUM UVIS F343N 900.00 2B 02 01 U6 13-Feb-2025 18:56:40 --- HST Observing Timeline Report for SMS: 250417F4 --- Page 13 SMS Start: 2025.041:00:00:00 (10-FEB-2025 00:00:00), End: 2025.048:00:00:00 (17-FEB-2025 00:00:00) Observation Set Principal Science Spectral Exposure Begin UT End UT SU Id Investigat Exp # Target Instrume Mode Apertures Elements Time(sec) OB AL EX O# -------- -------- -------- ------- ---------- ------ ---------- -------- ------ ------------ ------------ --------- -- -- -- -- 2025.045 09:30:00 10:04:33 1785027 Johnson 27-001 DARK S/C DATA NONE 295.00 27 01 01 2025.045 09:34:55 09:57:29 1785027 Johnson 27-002 DARK COS/FUV TIME-T PSA G130M 1330.00 27 01 02 UD 2025.045 10:02:36 10:06:57 1743313 Wu 13-001 RM316 STIS/CCD ACQ F28X50LP MIRVIS 5.00 13 01 01 UF 2025.045 10:11:15 10:16:16 1743313 Wu 13-002 RM316 STIS/MA2 TIME-T SL200 G230L 2151.00 13 04 01 UI 2025.045 10:06:57 10:10:21 1743313 Wu 13-002 WAVEHITM STIS/MA2 ACCUM SL200 G230L 0.00 13 02 01 UG 2025.045 10:30:00 10:47:51 176672C Pidgeon 2C-001 DARK-NM WFC3/UVI ACCUM UVIS F280N 900.00 2C 01 01 UK 2025.045 10:47:51 11:05:12 176672C Pidgeon 2C-001 DARK-NM WFC3/UVI ACCUM UVIS F280N 900.00 2C 02 01 UL 2025.045 11:24:21 11:56:12 1715568 Kargaltsev 68-001 J1136+1551 ACS/SBC ACCUM SBC F125LP 1830.00 68 01 01 UN 2025.045 11:56:12 12:05:34 1715568 Kargaltsev 68-002 J1136+1551 ACS/SBC ACCUM SBC F140LP 498.00 68 02 01 UO 2025.045 12:30:00 12:49:04 176295Q Dallas 5Q-001 DARK STIS/CCD ACCUM F28X50LP MIRVIS 1100.00 5Q 01 01 UQ 2025.045 12:49:04 12:50:48 176295Q Dallas 5Q-002 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5Q 01 02 UR 2025.045 12:50:48 12:52:36 176295Q Dallas 5Q-003 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5Q 01 03 US 2025.045 13:00:28 13:06:21 1721111 Bordoloi 11-001 2MASS-J13075426+0044222 COS/NUV ACQ/IM PSA MIRRORB 23.00 11 01 01 UU 2025.045 13:11:55 13:48:07 1721111 Bordoloi 11-002 2MASS-J13075426+0044222 COS/FUV TIME-T PSA G160M 2105.00 11 05 01 UY 2025.045 13:48:53 13:50:17 1721111 Bordoloi 11-002 WAVE COS/FUV TIME-T WCA G160M 12.00 11 07 01 VN 2025.045 13:07:15 13:11:19 1721111 Bordoloi 11-002 WAVE COS/FUV TIME-T WCA G160M 12.00 11 03 01 UW 2025.045 14:36:48 15:20:40 1721111 Bordoloi 11-003 2MASS-J13075426+0044222 COS/FUV TIME-T PSA G160M 2565.00 11 0B 01 VS 2025.045 15:21:26 15:22:50 1721111 Bordoloi 11-003 WAVE COS/FUV TIME-T WCA G160M 12.00 11 0D 01 VU 2025.045 14:06:25 14:07:48 1721111 Bordoloi 11-003 WAVE COS/FUV TIME-T WCA G160M 12.00 11 09 01 VQ 2025.045 16:11:16 16:55:08 1721111 Bordoloi 11-004 2MASS-J13075426+0044222 COS/FUV TIME-T PSA G160M 2565.00 11 0H 01 W3 2025.045 16:55:54 16:57:18 1721111 Bordoloi 11-004 WAVE COS/FUV TIME-T WCA G160M 12.00 11 0J 01 W6 2025.045 16:00:29 16:01:52 1721111 Bordoloi 11-004 WAVE COS/FUV TIME-T WCA G160M 12.00 11 0F 01 W1 2025.045 13:30:00 13:30:44 176322V Lothringer 2V-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2V 01 01 UZ 2025.045 13:30:44 13:31:28 176322V Lothringer 2V-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2V 01 02 V0 2025.045 13:31:28 13:32:12 176322V Lothringer 2V-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2V 01 03 V1 2025.045 13:32:12 13:32:56 176322V Lothringer 2V-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2V 01 04 V2 2025.045 13:32:56 13:33:40 176322V Lothringer 2V-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2V 01 05 V3 2025.045 13:33:40 13:34:24 176322V Lothringer 2V-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2V 01 06 V4 2025.045 13:34:24 13:35:12 176322V Lothringer 2V-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2V 01 07 V5 2025.045 13:38:05 13:38:49 176322V Lothringer 2V-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2V 01 08 V7 2025.045 13:38:49 13:39:33 176322V Lothringer 2V-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2V 01 09 V8 2025.045 13:39:33 13:40:17 176322V Lothringer 2V-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2V 01 0A V9 2025.045 13:40:17 13:41:01 176322V Lothringer 2V-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2V 01 0B VA 2025.045 13:41:01 13:41:45 176322V Lothringer 2V-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2V 01 0C VB 2025.045 13:41:45 13:42:29 176322V Lothringer 2V-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2V 01 0D VC 2025.045 13:42:29 13:43:17 176322V Lothringer 2V-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2V 01 0E VD 2025.045 13:46:10 13:46:54 176322V Lothringer 2V-002 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2V 01 0F VF 2025.045 13:46:54 13:47:38 176322V Lothringer 2V-002 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2V 01 0G VG 2025.045 13:47:38 13:48:22 176322V Lothringer 2V-002 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2V 01 0H VH 2025.045 13:48:22 13:49:09 176322V Lothringer 2V-003 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2V 01 0I VI 2025.045 13:49:09 13:49:56 176322V Lothringer 2V-003 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2V 01 0J VJ 2025.045 13:49:56 13:50:43 176322V Lothringer 2V-004 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2V 01 0K VK 2025.045 13:50:43 13:51:34 176322V Lothringer 2V-004 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2V 01 0L VL 2025.045 15:57:39 16:02:15 17653EX Guzman EX-001 DARK ACS/WFC ACCUM WFC F502N 0.50 EX 01 01 VW F660N 13-Feb-2025 18:56:40 --- HST Observing Timeline Report for SMS: 250417F4 --- Page 14 SMS Start: 2025.041:00:00:00 (10-FEB-2025 00:00:00), End: 2025.048:00:00:00 (17-FEB-2025 00:00:00) Observation Set Principal Science Spectral Exposure Begin UT End UT SU Id Investigat Exp # Target Instrume Mode Apertures Elements Time(sec) OB AL EX O# -------- -------- -------- ------- ---------- ------ ---------- -------- ------ ------------ ------------ --------- -- -- -- -- 2025.045 16:02:15 16:02:30 17653EX Guzman EX-002 DARK ACS/WFC ACCUM WFC F502N 650.50 EX 01 02 VX F660N 2025.045 16:15:36 16:15:51 17653EX Guzman EX-003 DARK ACS/WFC ACCUM WFC F502N 650.50 EX 01 03 VZ F660N 2025.045 17:44:37 17:52:42 1759706 Peng 06-001 NGVS-UCD560 WFC3/UVI ACCUM UVIS2-C1K1C- F475W 320.00 06 01 01 W8 2025.045 17:52:42 17:58:39 1759706 Peng 06-001 NGVS-UCD560 WFC3/UVI ACCUM UVIS2-C1K1C- F475W 698.00 06 02 01 WA 2025.045 18:06:33 18:12:30 1759706 Peng 06-001 NGVS-UCD560 WFC3/UVI ACCUM UVIS2-C1K1C- F475W 698.00 06 03 01 WE 2025.045 18:20:24 18:29:29 1759706 Peng 06-001 NGVS-UCD560 WFC3/UVI ACCUM UVIS2-C1K1C- F475W 410.00 06 04 01 WI 2025.045 17:44:37 17:52:42 1759706 Peng 06-002 ANY ACS/WFC ACCUM WFC F475W 240.00 06 01 02 W9 CLEAR2L 2025.045 17:52:42 17:52:52 1759706 Peng 06-002 ANY ACS/WFC ACCUM WFC F475W 660.00 06 02 02 WB CLEAR2L 2025.045 18:06:33 18:06:43 1759706 Peng 06-002 ANY ACS/WFC ACCUM WFC F475W 660.00 06 03 02 WF CLEAR2L 2025.045 18:20:24 18:20:34 1759706 Peng 06-002 ANY ACS/WFC ACCUM WFC F475W 338.00 06 04 02 WJ CLEAR2L 2025.045 19:28:25 19:44:15 1748606 Battisti 06-001 MAGPI1530 WFC3/UVI ACCUM UVIS2-FIX F225W 780.00 06 01 01 WN 2025.045 19:44:15 19:59:33 1748606 Battisti 06-001 MAGPI1530 WFC3/UVI ACCUM UVIS2-FIX F225W 780.00 06 02 01 WP 2025.045 19:59:33 19:59:41 1748606 Battisti 06-001 MAGPI1530 WFC3/UVI ACCUM UVIS2-FIX F225W 781.00 06 03 01 WR 2025.045 21:01:57 21:17:35 1748606 Battisti 06-002 MAGPI1530 WFC3/UVI ACCUM UVIS2-FIX F275W 774.00 06 04 01 WT 2025.045 21:17:35 21:17:43 1748606 Battisti 06-002 MAGPI1530 WFC3/UVI ACCUM UVIS2-FIX F275W 774.00 06 05 01 WU 2025.045 21:32:47 21:32:55 1748606 Battisti 06-002 MAGPI1530 WFC3/UVI ACCUM UVIS2-FIX F275W 773.00 06 06 01 WW 2025.045 22:36:29 22:37:00 1748606 Battisti 06-003 MAGPI1530 WFC3/UVI ACCUM UVIS2-FIX F336W 431.00 06 07 01 WY 2025.045 22:46:21 22:46:29 1748606 Battisti 06-003 MAGPI1530 WFC3/UVI ACCUM UVIS2-FIX F336W 431.00 06 08 01 X0 2025.045 22:55:50 22:55:58 1748606 Battisti 06-003 MAGPI1530 WFC3/UVI ACCUM UVIS2-FIX F336W 431.00 06 09 01 X2 2025.045 23:05:19 23:05:50 1748606 Battisti 06-004 MAGPI1530 WFC3/UVI ACCUM UVIS2-FIX F390W 365.00 06 0A 01 X4 2025.045 23:14:04 23:22:28 1748606 Battisti 06-004 MAGPI1530 WFC3/UVI ACCUM UVIS2-FIX F390W 365.00 06 0B 01 X6 2025.045 19:30:00 20:04:33 1785028 Johnson 28-001 DARK S/C DATA NONE 295.00 28 01 01 2025.045 19:34:55 19:57:29 1785028 Johnson 28-002 DARK COS/FUV TIME-T PSA G130M 1330.00 28 01 02 WO 2025.046 00:27:33 00:43:23 1748607 Battisti 07-001 MAGPI1534 WFC3/UVI ACCUM UVIS2-FIX F225W 780.00 07 01 01 X8 2025.046 00:43:23 01:51:01 1748607 Battisti 07-001 MAGPI1534 WFC3/UVI ACCUM UVIS2-FIX F225W 780.00 07 02 01 X9 2025.046 01:51:01 01:51:09 1748607 Battisti 07-001 MAGPI1534 WFC3/UVI ACCUM UVIS2-FIX F225W 781.00 07 03 01 XA 2025.046 02:06:20 03:26:11 1748607 Battisti 07-002 MAGPI1534 WFC3/UVI ACCUM UVIS2-FIX F275W 774.00 07 04 01 XC 2025.046 03:26:11 03:26:19 1748607 Battisti 07-002 MAGPI1534 WFC3/UVI ACCUM UVIS2-FIX F275W 774.00 07 05 01 XH 2025.046 03:41:23 03:41:31 1748607 Battisti 07-002 MAGPI1534 WFC3/UVI ACCUM UVIS2-FIX F275W 773.00 07 06 01 XJ 2025.046 03:56:34 03:57:05 1748607 Battisti 07-003 MAGPI1534 WFC3/UVI ACCUM UVIS2-FIX F336W 431.00 07 07 01 XL 2025.046 04:57:03 04:57:11 1748607 Battisti 07-003 MAGPI1534 WFC3/UVI ACCUM UVIS2-FIX F336W 431.00 07 08 01 XN 2025.046 05:06:32 05:06:40 1748607 Battisti 07-003 MAGPI1534 WFC3/UVI ACCUM UVIS2-FIX F336W 431.00 07 09 01 XP 2025.046 05:16:01 05:16:32 1748607 Battisti 07-004 MAGPI1534 WFC3/UVI ACCUM UVIS2-FIX F390W 365.00 07 0A 01 XR 2025.046 05:24:46 05:33:10 1748607 Battisti 07-004 MAGPI1534 WFC3/UVI ACCUM UVIS2-FIX F390W 365.00 07 0B 01 XT 2025.046 02:30:00 02:49:04 176295R Dallas 5R-001 DARK STIS/CCD ACCUM F28X50LP MIRVIS 1100.00 5R 01 01 XD 2025.046 02:49:04 02:50:48 176295R Dallas 5R-002 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5R 01 02 XE 2025.046 02:50:48 02:52:36 176295R Dallas 5R-003 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5R 01 03 XF 2025.046 05:45:12 05:46:31 1766642 Pidgeon 42-001 TUNGSTEN WFC3/UVI ACCUM UVIS F475X 1.00 42 01 01 XV 2025.046 05:46:31 05:50:37 1766642 Pidgeon 42-002 TUNGSTEN WFC3/UVI ACCUM UVIS F475X 200.00 42 01 02 XW 13-Feb-2025 18:56:40 --- HST Observing Timeline Report for SMS: 250417F4 --- Page 15 SMS Start: 2025.041:00:00:00 (10-FEB-2025 00:00:00), End: 2025.048:00:00:00 (17-FEB-2025 00:00:00) Observation Set Principal Science Spectral Exposure Begin UT End UT SU Id Investigat Exp # Target Instrume Mode Apertures Elements Time(sec) OB AL EX O# -------- -------- -------- ------- ---------- ------ ---------- -------- ------ ------------ ------------ --------- -- -- -- -- 2025.046 05:50:37 05:51:41 1766642 Pidgeon 42-003 TUNGSTEN WFC3/UVI ACCUM UVIS F475X 1.00 42 01 03 XX 2025.046 06:14:24 06:25:29 1780603 Tanvir 03-001 EP250207B WFC3/UVI ACCUM UVIS2 F606W 505.00 03 01 01 XZ 2025.046 06:25:29 06:25:37 1780603 Tanvir 03-001 EP250207B WFC3/UVI ACCUM UVIS2 F606W 505.00 03 02 01 Y0 2025.046 06:36:02 06:36:10 1780603 Tanvir 03-001 EP250207B WFC3/UVI ACCUM UVIS2 F606W 505.00 03 03 01 Y2 2025.046 06:46:35 06:57:10 1780603 Tanvir 03-001 EP250207B WFC3/UVI ACCUM UVIS2 F606W 505.00 03 04 01 Y4 2025.046 07:49:46 08:00:01 1780609 Tanvir 09-001 EP250207B WFC3/IR MULTIA IR F105W 553.04 09 01 01 Y6 2025.046 08:00:01 08:03:11 1780609 Tanvir 09-001 EP250207B WFC3/IR MULTIA IR F105W 553.04 09 02 01 Y7 2025.046 08:10:16 08:20:31 1780609 Tanvir 09-001 EP250207B WFC3/IR MULTIA IR F105W 553.04 09 03 01 Y9 2025.046 08:20:31 08:31:03 1780609 Tanvir 09-001 EP250207B WFC3/IR MULTIA IR F105W 553.04 09 04 01 YA 2025.046 09:24:13 09:34:28 1780611 Tanvir 11-001 EP250207B WFC3/IR MULTIA IR F125W 553.04 11 01 01 YC 2025.046 09:34:28 09:37:38 1780611 Tanvir 11-001 EP250207B WFC3/IR MULTIA IR F125W 553.04 11 02 01 YE 2025.046 09:44:43 09:54:58 1780611 Tanvir 11-001 EP250207B WFC3/IR MULTIA IR F125W 553.04 11 03 01 YG 2025.046 09:54:58 10:05:30 1780611 Tanvir 11-001 EP250207B WFC3/IR MULTIA IR F125W 553.04 11 04 01 YH 2025.046 09:30:00 10:09:10 1785029 Johnson 29-001 DARK S/C DATA NONE 295.00 29 01 01 2025.046 09:34:55 10:02:06 1785029 Johnson 29-002 DARK COS/FUV TIME-T PSA G130M 1330.00 29 01 02 YD 2025.046 10:27:09 10:29:33 176672D Pidgeon 2D-001 DARK WFC3/UVI ACCUM UVIS 0.50 2D 01 01 YK 2025.046 10:27:09 10:55:04 176672D Pidgeon 2D-002 DARK S/C DATA NONE 4.00 2D 02 01 2025.046 10:29:33 10:31:53 176672D Pidgeon 2D-003 DARK WFC3/UVI ACCUM UVIS 0.50 2D 03 01 YL 2025.046 10:31:53 10:32:01 176672D Pidgeon 2D-004 DARK WFC3/UVI ACCUM UVIS 900.00 2D 04 01 YM 2025.046 11:10:52 11:26:42 1748604 Battisti 04-001 MAGPI1507 WFC3/UVI ACCUM UVIS2-FIX F225W 780.00 04 01 01 YP 2025.046 11:26:42 11:42:00 1748604 Battisti 04-001 MAGPI1507 WFC3/UVI ACCUM UVIS2-FIX F225W 780.00 04 02 01 YQ 2025.046 11:42:00 11:42:08 1748604 Battisti 04-001 MAGPI1507 WFC3/UVI ACCUM UVIS2-FIX F225W 781.00 04 03 01 YR 2025.046 12:46:09 13:01:47 1748604 Battisti 04-002 MAGPI1507 WFC3/UVI ACCUM UVIS2-FIX F275W 774.00 04 04 01 YW 2025.046 13:01:47 13:01:55 1748604 Battisti 04-002 MAGPI1507 WFC3/UVI ACCUM UVIS2-FIX F275W 774.00 04 05 01 YY 2025.046 13:16:59 13:17:07 1748604 Battisti 04-002 MAGPI1507 WFC3/UVI ACCUM UVIS2-FIX F275W 773.00 04 06 01 Z0 2025.046 14:20:42 14:21:13 1748604 Battisti 04-003 MAGPI1507 WFC3/UVI ACCUM UVIS2-FIX F336W 431.00 04 07 01 ZQ 2025.046 14:30:34 14:30:42 1748604 Battisti 04-003 MAGPI1507 WFC3/UVI ACCUM UVIS2-FIX F336W 431.00 04 08 01 ZS 2025.046 14:40:03 14:40:11 1748604 Battisti 04-003 MAGPI1507 WFC3/UVI ACCUM UVIS2-FIX F336W 431.00 04 09 01 ZU 2025.046 14:49:32 14:50:03 1748604 Battisti 04-004 MAGPI1507 WFC3/UVI ACCUM UVIS2-FIX F390W 365.00 04 0A 01 ZW 2025.046 14:58:17 15:06:41 1748604 Battisti 04-004 MAGPI1507 WFC3/UVI ACCUM UVIS2-FIX F390W 365.00 04 0B 01 ZY 2025.046 12:30:00 12:49:04 176295S Dallas 5S-001 DARK STIS/CCD ACCUM F28X50LP MIRVIS 1100.00 5S 01 01 YT 2025.046 12:49:04 12:50:48 176295S Dallas 5S-002 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5S 01 02 YU 2025.046 12:50:48 12:52:36 176295S Dallas 5S-003 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5S 01 03 YV 2025.046 13:30:00 13:30:44 176322W Lothringer 2W-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2W 01 01 Z2 2025.046 13:30:44 13:31:28 176322W Lothringer 2W-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2W 01 02 Z3 2025.046 13:31:28 13:32:12 176322W Lothringer 2W-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2W 01 03 Z4 2025.046 13:32:12 13:32:56 176322W Lothringer 2W-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2W 01 04 Z5 2025.046 13:32:56 13:33:40 176322W Lothringer 2W-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2W 01 05 Z6 2025.046 13:33:40 13:34:24 176322W Lothringer 2W-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2W 01 06 Z7 2025.046 13:34:24 13:35:12 176322W Lothringer 2W-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2W 01 07 Z8 2025.046 13:38:05 13:38:49 176322W Lothringer 2W-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2W 01 08 ZA 2025.046 13:38:49 13:39:33 176322W Lothringer 2W-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2W 01 09 ZB 2025.046 13:39:33 13:40:17 176322W Lothringer 2W-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2W 01 0A ZC 2025.046 13:40:17 13:41:01 176322W Lothringer 2W-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2W 01 0B ZD 2025.046 13:41:01 13:41:45 176322W Lothringer 2W-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2W 01 0C ZE 13-Feb-2025 18:56:41 --- HST Observing Timeline Report for SMS: 250417F4 --- Page 16 SMS Start: 2025.041:00:00:00 (10-FEB-2025 00:00:00), End: 2025.048:00:00:00 (17-FEB-2025 00:00:00) Observation Set Principal Science Spectral Exposure Begin UT End UT SU Id Investigat Exp # Target Instrume Mode Apertures Elements Time(sec) OB AL EX O# -------- -------- -------- ------- ---------- ------ ---------- -------- ------ ------------ ------------ --------- -- -- -- -- 2025.046 13:41:45 13:42:29 176322W Lothringer 2W-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2W 01 0D ZF 2025.046 13:42:29 13:43:17 176322W Lothringer 2W-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2W 01 0E ZG 2025.046 13:46:10 13:46:54 176322W Lothringer 2W-002 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2W 01 0F ZI 2025.046 13:46:54 13:47:38 176322W Lothringer 2W-002 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2W 01 0G ZJ 2025.046 13:47:38 13:48:22 176322W Lothringer 2W-002 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2W 01 0H ZK 2025.046 13:48:22 13:49:09 176322W Lothringer 2W-003 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2W 01 0I ZL 2025.046 13:49:09 13:49:56 176322W Lothringer 2W-003 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2W 01 0J ZM 2025.046 13:49:56 13:50:43 176322W Lothringer 2W-004 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2W 01 0K ZN 2025.046 13:50:43 13:51:34 176322W Lothringer 2W-004 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2W 01 0L ZO 2025.046 15:51:36 15:56:04 1781801 Morgan 01-001 SDSS-J133907.13+131039.6 WFC3/IR MULTIA IR F160W 202.97 01 01 01 A3 2025.046 15:56:04 15:56:44 1781801 Morgan 01-001 SDSS-J133907.13+131039.6 WFC3/IR MULTIA IR F160W 202.97 01 02 01 A4 2025.046 16:00:32 16:01:12 1781801 Morgan 01-001 SDSS-J133907.13+131039.6 WFC3/IR MULTIA IR F160W 202.97 01 03 01 A6 2025.046 16:04:57 16:05:37 1781801 Morgan 01-001 SDSS-J133907.13+131039.6 WFC3/IR MULTIA IR F160W 202.97 01 04 01 A8 2025.046 16:09:25 16:13:53 1781801 Morgan 01-001 SDSS-J133907.13+131039.6 WFC3/IR MULTIA IR F160W 202.97 01 05 01 AA 2025.046 16:13:53 16:18:18 1781801 Morgan 01-001 SDSS-J133907.13+131039.6 WFC3/IR MULTIA IR F160W 202.97 01 06 01 AB 2025.046 16:18:18 16:22:46 1781801 Morgan 01-001 SDSS-J133907.13+131039.6 WFC3/IR MULTIA IR F160W 202.97 01 07 01 AC 2025.046 16:22:46 16:27:14 1781801 Morgan 01-001 SDSS-J133907.13+131039.6 WFC3/IR MULTIA IR F160W 202.97 01 08 01 AD 2025.046 16:27:14 16:31:56 1781801 Morgan 01-001 SDSS-J133907.13+131039.6 WFC3/IR MULTIA IR F160W 202.97 01 09 01 AE 2025.046 15:51:24 15:52:29 156018K Sahnow 8K-001 DARK S/C DATA NONE 90.00 8K 01 01 A2 2025.046 17:16:51 17:33:48 1774315 Riess 15-001 N3447TWEAK WFC3/UVI ACCUM UVIS-CENTER F390W 850.00 15 01 01 AG 2025.046 17:33:48 17:34:19 1774315 Riess 15-002 N3447TWEAK WFC3/UVI ACCUM UVIS-CENTER F475W 640.00 15 01 02 AH 2025.046 17:47:04 17:47:29 1774315 Riess 15-003 N3447TWEAK WFC3/UVI ACCUM UVIS-CENTER F606W 350.00 15 01 03 AJ 2025.046 17:55:24 18:03:29 1774315 Riess 15-003 N3447TWEAK WFC3/UVI ACCUM UVIS-CENTER F606W 350.00 15 02 01 AL 2025.046 18:53:28 19:08:08 172122B West 2B-001 ABELL-1185-F2-NEW WFC3/UVI ACCUM UVIS-FIX F600LP 720.00 2B 01 01 AN 2025.046 18:53:28 19:08:08 172122B West 2B-002 ANY ACS/WFC ACCUM WFC-FIX CLEAR1L 660.00 2B 01 02 AO F814W 2025.046 19:08:08 19:14:45 172122B West 2B-003 ABELL-1185-F2-NEW WFC3/UVI ACCUM UVIS-FIX F475X 751.00 2B 02 01 AP 2025.046 19:08:08 19:08:58 172122B West 2B-004 ANY ACS/WFC ACCUM WFC-FIX F475W 724.00 2B 02 02 AQ CLEAR2L 2025.046 19:23:33 19:38:06 172122B West 2B-005 ABELL-1185-F2-NEW WFC3/UVI ACCUM UVIS-FIX F600LP 720.00 2B 03 01 AT 2025.046 19:23:33 19:24:22 172122B West 2B-006 ANY ACS/WFC ACCUM WFC-FIX CLEAR1L 670.00 2B 03 02 AU F814W 2025.046 19:30:00 20:37:37 178502A Johnson 2A-001 DARK S/C DATA NONE 295.00 2A 01 01 2025.046 19:34:55 19:57:29 178502A Johnson 2A-002 DARK COS/FUV TIME-T PSA G130M 1330.00 2A 01 02 AW 2025.046 19:54:59 19:57:09 1767511 O'Connor 11-001 BIAS WFC3/UVI ACCUM UVIS 0.00 11 01 01 AZ 2025.046 19:57:09 19:59:23 1767511 O'Connor 11-001 BIAS WFC3/UVI ACCUM UVIS 0.00 11 02 01 B0 2025.046 20:28:07 20:30:17 1767511 O'Connor 11-001 BIAS WFC3/UVI ACCUM UVIS 0.00 11 04 01 B3 2025.046 20:30:17 20:32:29 1767511 O'Connor 11-001 BIAS WFC3/UVI ACCUM UVIS 0.00 11 05 01 B4 2025.046 20:45:16 20:47:20 1768112 Mack 12-001 P330E WFC3/UVI ACCUM UVIS2-C512C- F336W 27.00 12 01 01 B6 2025.046 21:07:21 21:09:22 1768112 Mack 12-001 P330E WFC3/UVI ACCUM UVIS2-C512C- F336W 27.00 12 0E 01 BJ 2025.046 20:47:20 20:48:44 1768112 Mack 12-002 P330E WFC3/UVI ACCUM UVIS2-C512C- F475X 1.70 12 02 01 B7 2025.046 21:09:22 21:10:46 1768112 Mack 12-002 P330E WFC3/UVI ACCUM UVIS2-C512C- F475X 1.70 12 0F 01 BK 2025.046 20:48:44 20:50:08 1768112 Mack 12-003 P330E WFC3/UVI ACCUM UVIS2-C512C- F438W 8.00 12 03 01 B8 2025.046 21:10:46 21:12:10 1768112 Mack 12-003 P330E WFC3/UVI ACCUM UVIS2-C512C- F438W 8.00 12 0G 01 BL 2025.046 20:50:08 20:51:39 1768112 Mack 12-004 P330E WFC3/UVI ACCUM UVIS2-C512C- F475W 3.00 12 04 01 B9 13-Feb-2025 18:56:41 --- HST Observing Timeline Report for SMS: 250417F4 --- Page 17 SMS Start: 2025.041:00:00:00 (10-FEB-2025 00:00:00), End: 2025.048:00:00:00 (17-FEB-2025 00:00:00) Observation Set Principal Science Spectral Exposure Begin UT End UT SU Id Investigat Exp # Target Instrume Mode Apertures Elements Time(sec) OB AL EX O# -------- -------- -------- ------- ---------- ------ ---------- -------- ------ ------------ ------------ --------- -- -- -- -- 2025.046 21:12:10 21:13:41 1768112 Mack 12-004 P330E WFC3/UVI ACCUM UVIS2-C512C- F475W 3.00 12 0H 01 BM 2025.046 20:51:39 20:53:10 1768112 Mack 12-005 P330E WFC3/UVI ACCUM UVIS2-C512C- F555W 2.50 12 05 01 BA 2025.046 21:13:41 21:15:12 1768112 Mack 12-005 P330E WFC3/UVI ACCUM UVIS2-C512C- F555W 2.50 12 0I 01 BN 2025.046 20:53:10 20:54:37 1768112 Mack 12-006 P330E WFC3/UVI ACCUM UVIS2-C512C- F606W 1.50 12 06 01 BB 2025.046 21:15:12 21:16:39 1768112 Mack 12-006 P330E WFC3/UVI ACCUM UVIS2-C512C- F606W 1.50 12 0J 01 BO 2025.046 20:54:37 20:56:10 1768112 Mack 12-007 P330E WFC3/UVI ACCUM UVIS2-C512C- F625W 2.00 12 07 01 BC 2025.046 21:16:39 21:18:12 1768112 Mack 12-007 P330E WFC3/UVI ACCUM UVIS2-C512C- F625W 2.00 12 0K 01 BP 2025.046 20:56:10 20:57:39 1768112 Mack 12-008 P330E WFC3/UVI ACCUM UVIS2-C512C- F775W 3.50 12 08 01 BD 2025.046 21:18:12 21:19:41 1768112 Mack 12-008 P330E WFC3/UVI ACCUM UVIS2-C512C- F775W 3.50 12 0L 01 BQ 2025.046 20:57:39 20:59:10 1768112 Mack 12-009 P330E WFC3/UVI ACCUM UVIS2-C512C- F845M 9.00 12 09 01 BE 2025.046 21:19:41 21:21:12 1768112 Mack 12-009 P330E WFC3/UVI ACCUM UVIS2-C512C- F845M 9.00 12 0M 01 BR 2025.046 20:59:10 21:00:47 1768112 Mack 12-010 P330E WFC3/UVI ACCUM UVIS2-C512C- F814W 3.00 12 0A 01 BF 2025.046 21:21:12 21:22:49 1768112 Mack 12-010 P330E WFC3/UVI ACCUM UVIS2-C512C- F814W 3.00 12 0N 01 BS 2025.046 21:00:47 21:02:14 1768112 Mack 12-011 P330E WFC3/UVI ACCUM UVIS2-C512C- F850LP 5.00 12 0B 01 BG 2025.046 21:22:49 21:24:16 1768112 Mack 12-011 P330E WFC3/UVI ACCUM UVIS2-C512C- F850LP 5.00 12 0O 01 BT 2025.046 21:02:14 21:05:58 1768112 Mack 12-012 P330E WFC3/UVI ACCUM UVIS2-C512C- F275W 130.00 12 0C 01 BH 2025.046 21:24:16 21:28:00 1768112 Mack 12-012 P330E WFC3/UVI ACCUM UVIS2-C512C- F275W 130.00 12 0P 01 BU 2025.046 21:05:58 21:07:21 1768112 Mack 12-013 P330E WFC3/UVI ACCUM UVIS2-C512C- F200LP 0.80 12 0D 01 BI 2025.046 21:28:00 21:29:25 1768112 Mack 12-013 P330E WFC3/UVI ACCUM UVIS2-C512C- F200LP 0.80 12 0Q 01 BV 2025.046 22:06:55 22:24:46 176672E Pidgeon 2E-001 DARK-NM WFC3/UVI ACCUM UVIS F547M 900.00 2E 01 01 BX 2025.046 22:24:46 23:05:36 176672E Pidgeon 2E-001 DARK-NM WFC3/UVI ACCUM UVIS F547M 900.00 2E 02 01 C1 2025.046 22:17:58 22:22:29 1775408 Todt 08-001 PN-K-2-16 COS/NUV ACQ/IM BOA MIRRORA 14.90 08 01 01 BY 2025.046 22:23:23 22:37:04 1775408 Todt 08-002 PN-K-2-16 COS/FUV TIME-T PSA G130M 635.00 08 03 01 C0 2025.046 22:38:09 22:49:53 1775408 Todt 08-003 PN-K-2-16 COS/FUV TIME-T PSA G130M 635.00 08 05 01 C3 2025.046 22:50:58 22:55:31 1775408 Todt 08-004 PN-K-2-16 COS/FUV TIME-T PSA G160M 84.00 08 07 01 C5 2025.046 22:56:07 22:58:40 1775408 Todt 08-004 PN-K-2-16 COS/FUV TIME-T PSA G160M 84.00 08 09 01 C7 2025.046 22:59:16 23:01:49 1775408 Todt 08-004 PN-K-2-16 COS/FUV TIME-T PSA G160M 84.00 08 0B 01 C9 2025.046 23:02:25 23:04:58 1775408 Todt 08-004 PN-K-2-16 COS/FUV TIME-T PSA G160M 84.00 08 0D 01 CB 2025.046 23:55:03 23:59:24 1775409 Todt 09-001 CPD-56-8032 COS/NUV ACQ/IM BOA MIRRORA 9.60 09 01 01 CE 2025.047 00:00:18 00:11:34 1775409 Todt 09-002 CPD-56-8032 COS/FUV TIME-T PSA G130M 490.00 09 03 01 CG 2025.047 00:12:48 00:22:07 1775409 Todt 09-003 CPD-56-8032 COS/FUV TIME-T PSA G130M 490.00 09 05 01 CI 2025.047 00:23:21 00:29:21 1775409 Todt 09-004 CPD-56-8032 COS/FUV TIME-T PSA G160M 171.00 09 07 01 CK 2025.047 00:29:57 00:33:57 1775409 Todt 09-004 CPD-56-8032 COS/FUV TIME-T PSA G160M 171.00 09 09 01 CM 2025.047 00:34:33 00:38:33 1775409 Todt 09-004 CPD-56-8032 COS/FUV TIME-T PSA G160M 171.00 09 0B 01 CO 2025.047 00:39:09 00:43:09 1775409 Todt 09-004 CPD-56-8032 COS/FUV TIME-T PSA G160M 171.00 09 0D 01 CQ 2025.047 01:30:54 01:34:16 1789304 Anderson 04-001 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 35.00 04 01 01 CS 2025.047 01:34:16 01:34:24 1789304 Anderson 04-002 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 350.00 04 01 02 CT 2025.047 01:42:17 01:42:25 1789304 Anderson 04-003 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 350.00 04 01 03 CV 2025.047 01:50:18 01:50:26 1789304 Anderson 04-004 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 350.00 04 01 04 CX 2025.047 01:58:19 01:58:27 1789304 Anderson 04-005 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 350.00 04 02 01 CZ 2025.047 02:06:20 02:15:59 1789304 Anderson 04-006 IC1848-OFFSET WFC3/UVI ACCUM UVIS F410M 350.00 04 02 02 D2 2025.047 01:58:19 02:07:49 1789304 Anderson 04-007 ANY ACS/WFC ACCUM WFC F606W 350.00 04 02 03 D0 CLEAR2L 2025.047 02:07:49 02:07:59 1789304 Anderson 04-008 ANY ACS/WFC ACCUM WFC F606W 350.00 04 02 04 D3 CLEAR2L 13-Feb-2025 18:56:41 --- HST Observing Timeline Report for SMS: 250417F4 --- Page 18 SMS Start: 2025.041:00:00:00 (10-FEB-2025 00:00:00), End: 2025.048:00:00:00 (17-FEB-2025 00:00:00) Observation Set Principal Science Spectral Exposure Begin UT End UT SU Id Investigat Exp # Target Instrume Mode Apertures Elements Time(sec) OB AL EX O# -------- -------- -------- ------- ---------- ------ ---------- -------- ------ ------------ ------------ --------- -- -- -- -- 2025.047 02:56:48 03:15:52 176295T Dallas 5T-001 DARK STIS/CCD ACCUM F28X50LP MIRVIS 1100.00 5T 01 01 D7 2025.047 03:15:52 03:17:36 176295T Dallas 5T-002 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5T 01 02 D8 2025.047 03:17:36 03:58:01 176295T Dallas 5T-003 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5T 01 03 D9 2025.047 03:10:38 03:16:39 1740902 Do 02-001 NAME-SGR-A WFC3/IR MULTIA IR-FIX F153M 299.32 02 01 01 DA 2025.047 03:16:39 03:17:16 1740902 Do 02-001 NAME-SGR-A WFC3/IR MULTIA IR-FIX F153M 299.32 02 02 01 DB 2025.047 03:22:40 03:23:20 1740902 Do 02-001 NAME-SGR-A WFC3/IR MULTIA IR-FIX F153M 299.32 02 03 01 DD 2025.047 03:28:41 03:29:24 1740902 Do 02-001 NAME-SGR-A WFC3/IR MULTIA IR-FIX F153M 299.32 02 04 01 DF 2025.047 03:34:42 03:35:28 1740902 Do 02-001 NAME-SGR-A WFC3/IR MULTIA IR-FIX F153M 299.32 02 05 01 DH 2025.047 03:40:43 03:41:32 1740902 Do 02-001 NAME-SGR-A WFC3/IR MULTIA IR-FIX F153M 299.32 02 06 01 DJ 2025.047 03:46:44 03:47:33 1740902 Do 02-001 NAME-SGR-A WFC3/IR MULTIA IR-FIX F153M 299.32 02 07 01 DL 2025.047 03:52:45 03:53:34 1740902 Do 02-001 NAME-SGR-A WFC3/IR MULTIA IR-FIX F153M 299.32 02 08 01 DN 2025.047 04:45:30 04:46:19 1740902 Do 02-001 NAME-SGR-A WFC3/IR MULTIA IR-FIX F153M 299.32 02 09 01 DQ 2025.047 04:51:31 04:52:20 1740902 Do 02-001 NAME-SGR-A WFC3/IR MULTIA IR-FIX F153M 299.32 02 0A 01 DS 2025.047 04:57:32 04:58:21 1740902 Do 02-001 NAME-SGR-A WFC3/IR MULTIA IR-FIX F153M 299.32 02 0B 01 DU 2025.047 05:03:33 05:04:22 1740902 Do 02-001 NAME-SGR-A WFC3/IR MULTIA IR-FIX F153M 299.32 02 0C 01 DW 2025.047 05:09:34 05:10:23 1740902 Do 02-001 NAME-SGR-A WFC3/IR MULTIA IR-FIX F153M 299.32 02 0D 01 DY 2025.047 05:15:35 05:16:24 1740902 Do 02-001 NAME-SGR-A WFC3/IR MULTIA IR-FIX F153M 299.32 02 0E 01 E0 2025.047 05:21:36 05:22:25 1740902 Do 02-001 NAME-SGR-A WFC3/IR MULTIA IR-FIX F153M 299.32 02 0F 01 E2 2025.047 06:20:01 06:20:50 1740902 Do 02-001 NAME-SGR-A WFC3/IR MULTIA IR-FIX F153M 299.32 02 0G 01 E4 2025.047 06:26:02 06:26:51 1740902 Do 02-001 NAME-SGR-A WFC3/IR MULTIA IR-FIX F153M 299.32 02 0H 01 E6 2025.047 06:32:03 06:32:52 1740902 Do 02-001 NAME-SGR-A WFC3/IR MULTIA IR-FIX F153M 299.32 02 0I 01 E8 2025.047 06:38:04 06:38:53 1740902 Do 02-001 NAME-SGR-A WFC3/IR MULTIA IR-FIX F153M 299.32 02 0J 01 EA 2025.047 06:44:05 06:50:06 1740902 Do 02-001 NAME-SGR-A WFC3/IR MULTIA IR-FIX F153M 299.32 02 0K 01 EC 2025.047 06:50:06 06:56:24 1740902 Do 02-001 NAME-SGR-A WFC3/IR MULTIA IR-FIX F153M 299.32 02 0L 01 ED 2025.047 07:06:52 07:10:19 14472CC Reinhart CC-001 DARK S/C DATA NONE 70.00 CC 01 01 EF 2025.047 07:08:02 07:10:19 14472CC Reinhart CC-002 DARK S/C DATA NONE 70.00 CC 02 01 EG 2025.047 07:09:12 07:10:19 14472CC Reinhart CC-003 DARK S/C DATA NONE 70.00 CC 03 01 EH 2025.047 07:30:00 07:47:51 176672F Pidgeon 2F-001 DARK-NM WFC3/UVI ACCUM UVIS F373N 900.00 2F 01 01 EI 2025.047 07:47:51 08:09:32 176672F Pidgeon 2F-001 DARK-NM WFC3/UVI ACCUM UVIS F373N 900.00 2F 02 01 EJ 2025.047 07:53:26 07:58:40 1744510 Gies 10-001 HD-161306 STIS/CCD ACQ F25ND3 MIRVIS 0.20 10 01 01 EK 2025.047 07:58:40 08:03:54 1744510 Gies 10-002 HD-161306 STIS/CCD ACQ/PE S200X050 MIRVIS 0.20 10 02 01 EL 2025.047 08:03:54 08:06:44 1744510 Gies 10-002 HD-161306 STIS/CCD ACQ/PE S200X050 MIRVIS 0.20 10 03 01 EM 2025.047 08:06:44 08:08:55 1744510 Gies 10-003 HD-161306 STIS/MA1 ACCUM SL050 E140M 1689.00 10 04 01 EN 2025.047 08:38:59 08:40:37 1744510 Gies 10-004 WAVELINE STIS/MA1 ACCUM S200X060 E140M 0.00 10 04 02 EQ 2025.047 09:12:56 09:18:27 1782205 Rogers 05-001 GAIA-DR3-1161215296909017728 COS/NUV ACQ/IM PSA MIRRORB 12.00 05 01 01 ET 2025.047 09:19:21 09:40:22 1782205 Rogers 05-002 GAIA-DR3-1161215296909017728 COS/FUV TIME-T PSA G130M 1075.00 05 03 01 EV 2025.047 09:41:36 10:00:40 1782205 Rogers 05-003 GAIA-DR3-1161215296909017728 COS/FUV TIME-T PSA G130M 1075.00 05 05 01 EX 2025.047 10:10:56 10:45:29 178502B Johnson 2B-001 DARK S/C DATA NONE 295.00 2B 01 01 2025.047 10:15:51 10:38:25 178502B Johnson 2B-002 DARK COS/FUV TIME-T PSA G130M 1330.00 2B 01 02 EZ 2025.047 10:40:15 10:48:30 1751042 Gregg 42-001 VIRGO-INTERGALACTIC-FIELD-M86 WFC3/IR MULTIA IR-FIX F160W 453.02 42 01 01 F1 2025.047 10:48:30 10:48:59 1751042 Gregg 42-002 VIRGO-INTERGALACTIC-FIELD-M86 WFC3/IR MULTIA IR-FIX F110W 353.00 42 01 02 F3 2025.047 10:40:15 10:55:18 1751042 Gregg 42-003 ANY ACS/WFC ACCUM WFC-FIX F606W 658.00 42 01 03 F2 CLEAR2L 2025.047 10:55:18 11:01:53 1751042 Gregg 42-004 VIRGO-INTERGALACTIC-FIELD-M86 WFC3/IR MULTIA IR-FIX F110W 353.00 42 02 01 F5 2025.047 11:01:53 11:03:12 1751042 Gregg 42-005 VIRGO-INTERGALACTIC-FIELD-M86 WFC3/IR MULTIA IR-FIX F160W 453.02 42 02 02 F8 13-Feb-2025 18:56:41 --- HST Observing Timeline Report for SMS: 250417F4 --- Page 19 SMS Start: 2025.041:00:00:00 (10-FEB-2025 00:00:00), End: 2025.048:00:00:00 (17-FEB-2025 00:00:00) Observation Set Principal Science Spectral Exposure Begin UT End UT SU Id Investigat Exp # Target Instrume Mode Apertures Elements Time(sec) OB AL EX O# -------- -------- -------- ------- ---------- ------ ---------- -------- ------ ------------ ------------ --------- -- -- -- -- 2025.047 10:55:18 10:56:23 1751042 Gregg 42-006 ANY ACS/WFC ACCUM WFC-FIX CLEAR1L 685.00 42 02 03 F6 F814W 2025.047 11:10:20 11:16:55 1751042 Gregg 42-007 VIRGO-INTERGALACTIC-FIELD-M86 WFC3/IR MULTIA IR-FIX F110W 353.00 42 03 01 FA 2025.047 11:16:55 11:24:46 1751042 Gregg 42-008 VIRGO-INTERGALACTIC-FIELD-M86 WFC3/IR MULTIA IR-FIX F160W 403.01 42 03 02 FD 2025.047 11:10:20 11:10:30 1751042 Gregg 42-009 ANY ACS/WFC ACCUM WFC-FIX CLEAR1L 690.00 42 03 03 FB F814W 2025.047 11:39:41 11:57:32 176672G Pidgeon 2G-001 DARK-NM WFC3/UVI ACCUM UVIS F467M 900.00 2G 01 01 FG 2025.047 11:57:32 12:14:53 176672G Pidgeon 2G-001 DARK-NM WFC3/UVI ACCUM UVIS F467M 900.00 2G 02 01 FH 2025.047 12:34:24 12:50:45 1770330 De Cia 30-001 BD+56-574 STIS/CCD ACQ F25ND3 MIRVIS 1.00 30 01 01 FJ 2025.047 12:50:45 12:52:24 1770330 De Cia 30-002 BD+56-574 STIS/MA1 ACCUM S200X200 E140M 2142.00 30 02 01 FK 2025.047 13:30:01 13:31:22 1770330 De Cia 30-003 WAVELINE STIS/MA1 ACCUM S200X200 E140M 0.00 30 02 02 FN 2025.047 13:31:22 13:34:11 1770330 De Cia 30-004 BD+56-574 STIS/MA2 ACCUM S200X200 E230M 2383.00 30 03 01 FO 2025.047 14:15:49 14:17:14 1770330 De Cia 30-005 WAVELINE STIS/MA2 ACCUM S200X200 E230M 0.00 30 03 02 FR 2025.047 15:04:24 15:23:28 176295U Dallas 5U-001 DARK STIS/CCD ACCUM F28X50LP MIRVIS 1100.00 5U 01 01 FT 2025.047 15:23:28 15:25:12 176295U Dallas 5U-002 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5U 01 02 FU 2025.047 15:25:12 15:27:00 176295U Dallas 5U-003 DARK STIS/CCD ACCUM F28X50LP MIRVIS 60.00 5U 01 03 FV 2025.047 15:18:58 15:29:13 1780613 Tanvir 13-001 EP250207B WFC3/IR MULTIA IR F160W 553.04 13 01 01 FW 2025.047 15:29:13 15:32:23 1780613 Tanvir 13-001 EP250207B WFC3/IR MULTIA IR F160W 553.04 13 02 01 FY 2025.047 15:39:28 15:49:43 1780613 Tanvir 13-001 EP250207B WFC3/IR MULTIA IR F160W 553.04 13 03 01 G0 2025.047 15:49:43 16:00:15 1780613 Tanvir 13-001 EP250207B WFC3/IR MULTIA IR F160W 553.04 13 04 01 G1 2025.047 16:45:01 16:45:45 176322X Lothringer 2X-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2X 01 01 G3 2025.047 16:45:45 16:46:29 176322X Lothringer 2X-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2X 01 02 G4 2025.047 16:46:29 16:47:13 176322X Lothringer 2X-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2X 01 03 G5 2025.047 16:47:13 16:47:57 176322X Lothringer 2X-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2X 01 04 G6 2025.047 16:47:57 16:48:41 176322X Lothringer 2X-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2X 01 05 G7 2025.047 16:48:41 16:49:25 176322X Lothringer 2X-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2X 01 06 G8 2025.047 16:49:25 16:50:13 176322X Lothringer 2X-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2X 01 07 G9 2025.047 16:53:06 16:53:50 176322X Lothringer 2X-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2X 01 08 GB 2025.047 16:53:50 16:54:34 176322X Lothringer 2X-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2X 01 09 GC 2025.047 16:54:34 16:55:18 176322X Lothringer 2X-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2X 01 0A GD 2025.047 16:55:18 16:56:02 176322X Lothringer 2X-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2X 01 0B GE 2025.047 16:56:02 16:56:46 176322X Lothringer 2X-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2X 01 0C GF 2025.047 16:56:46 16:57:30 176322X Lothringer 2X-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2X 01 0D GG 2025.047 16:57:30 16:58:18 176322X Lothringer 2X-001 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2X 01 0E GH 2025.047 17:01:11 17:01:55 176322X Lothringer 2X-002 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2X 01 0F GJ 2025.047 17:01:55 17:02:39 176322X Lothringer 2X-002 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2X 01 0G GK 2025.047 17:02:39 17:03:23 176322X Lothringer 2X-002 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2X 01 0H GL 2025.047 17:03:23 17:04:10 176322X Lothringer 2X-003 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2X 01 0I GM 2025.047 17:04:10 17:04:57 176322X Lothringer 2X-003 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2X 01 0J GN 2025.047 17:04:57 17:05:44 176322X Lothringer 2X-004 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2X 01 0K GO 2025.047 17:05:44 17:06:35 176322X Lothringer 2X-004 BIAS STIS/CCD ACCUM F28X50LP MIRVIS 0.00 2X 01 0L GP 2025.047 17:00:22 17:23:00 1752822 Mihos 22-001 VLSB-D ACS/WFC ACCUM WFC2 CLEAR1L 1118.00 22 01 01 GQ F814W 2025.047 17:00:22 17:23:00 1752822 Mihos 22-002 ANY WFC3/UVI ACCUM UVIS F814W 1118.00 22 01 02 GR 13-Feb-2025 18:56:42 --- HST Observing Timeline Report for SMS: 250417F4 --- Page 20 SMS Start: 2025.041:00:00:00 (10-FEB-2025 00:00:00), End: 2025.048:00:00:00 (17-FEB-2025 00:00:00) Observation Set Principal Science Spectral Exposure Begin UT End UT SU Id Investigat Exp # Target Instrume Mode Apertures Elements Time(sec) OB AL EX O# -------- -------- -------- ------- ---------- ------ ---------- -------- ------ ------------ ------------ --------- -- -- -- -- 2025.047 17:23:00 17:23:10 1752822 Mihos 22-003 VLSB-D ACS/WFC ACCUM WFC2 CLEAR1L 1118.00 22 02 01 GT F814W 2025.047 17:23:00 17:28:57 1752822 Mihos 22-004 ANY WFC3/UVI ACCUM UVIS F814W 1118.00 22 02 02 GU 2025.047 18:33:18 18:34:08 1752822 Mihos 22-005 VLSB-D ACS/WFC ACCUM WFC2 F475W 715.00 22 03 01 GX CLEAR2L 2025.047 18:33:18 18:39:55 1752822 Mihos 22-006 ANY WFC3/UVI ACCUM UVIS F475W 715.00 22 03 02 GY 2025.047 18:48:31 18:48:41 1752822 Mihos 22-007 VLSB-D ACS/WFC ACCUM WFC2 F475W 715.00 22 04 01 H1 CLEAR2L 2025.047 18:48:31 18:54:28 1752822 Mihos 22-008 ANY WFC3/UVI ACCUM UVIS F475W 715.00 22 04 02 H2 2025.047 19:03:04 19:03:14 1752822 Mihos 22-009 VLSB-D ACS/WFC ACCUM WFC2 F475W 711.00 22 05 01 H5 CLEAR2L 2025.047 19:03:04 19:17:15 1752822 Mihos 22-010 ANY WFC3/UVI ACCUM UVIS F475W 711.00 22 05 02 H6 2025.047 20:03:03 20:41:24 178502C Johnson 2C-001 DARK S/C DATA NONE 295.00 2C 01 01 2025.047 20:07:58 20:34:20 178502C Johnson 2C-002 DARK COS/FUV TIME-T PSA G130M 1330.00 2C 01 02 HA 2025.047 20:14:08 20:24:53 1744623 Milne 23-001 NGC-5222 WFC3/IR MULTIA IR F110W 603.04 23 01 01 HB 2025.047 20:35:37 20:40:27 1744623 Milne 23-001 NGC-5222 WFC3/IR MULTIA IR F110W 603.04 23 02 01 HF 2025.047 21:47:04 21:48:34 1744623 Milne 23-001 NGC-5222 WFC3/IR MULTIA IR F110W 603.04 23 03 01 HI 2025.047 22:08:33 22:19:18 1744623 Milne 23-001 NGC-5222 WFC3/IR MULTIA IR F110W 603.04 23 04 01 HM 2025.047 20:24:53 20:27:42 1744623 Milne 23-001 NGC-5222 WFC3/IR MULTIA IR F110W 603.04 23 01 02 HC 2025.047 20:46:22 21:47:04 1744623 Milne 23-001 NGC-5222 WFC3/IR MULTIA IR F110W 603.04 23 02 02 HH 2025.047 21:57:49 22:01:28 1744623 Milne 23-001 NGC-5222 WFC3/IR MULTIA IR F110W 603.04 23 03 02 HK 2025.047 22:19:18 22:19:37 1744623 Milne 23-001 NGC-5222 WFC3/IR MULTIA IR F110W 603.04 23 04 02 HN 2025.047 23:24:36 23:34:13 173084A Lemon 4A-001 J1127+0424 ACS/WFC ACCUM WFC1 CLEAR1L 337.00 4A 01 01 HQ F814W 2025.047 23:34:13 23:34:23 173084A Lemon 4A-002 J1127+0424 ACS/WFC ACCUM WFC1 CLEAR1L 337.00 4A 02 01 HR F814W 13-Feb-2025 18:56:42 --- HST Observing Timeline Report --- Page 1 Proposal Titles for SMS: 250417F4 Prop Prog Principal Id Id Investigator Proposal Title ----- ---- --------------- ---------------------------------------------------------------------- 14472 D36 Reinhart ACS/COS/WFC3 NED History Log Collection 15601 DU7 Sahnow COS FUV DCE Memory Dump 15962 EGS Reinhart Routine EEPROM dumps for ACS, COS, STIS, and WFC3 17121 F0R Kulkarni Probing the Gas in and around Local Galaxies Mapped with Integral Field Spe 17155 EZE Kargaltsev The legacy UV survey of 28 pulsars 17211 EYS Bordoloi Search for feedback signatures in massive blue galaxy halos 17212 EYI West Caught in the Act: The Hierarchical Formation of Abell 1185 17308 F56 Lemon An HST Gap Program for lensed Quasars 17409 F9N Do Advancing a decades long experiment at the Galactic center 17410 FA3 Foley Reducing Type Ia Supernova Distance Biases by Separating Reddening and Intr 17433 F7V Wu HST UV Spectroscopy of High-accretion-rate AGNs and the Origin of Offset in 17435 F79 Massari The Hubble Missing Globular Clusters Survey 17445 F9R Gies Masses of Be+sdO binaries with visual orbits 17446 F7R Milne Extending Precision Cosmology to Early Hosts of Type Ia Supernovae via Surf 17480 F75 McQuinn The Turn-Down in the Baryonic Tully-Fisher Relation (BTFR) 17486 F7S Battisti UV-MAGPI: Sharpening our View of Dust Attenuation 17491 F8Y Telford A Legacy Far-Ultraviolet Spectral Atlas of Extremely Metal-Poor O Stars 17502 FAB Thilker Resolving gas, star formation and feedback in nearby galaxies with an HST+J 17510 F9V Gregg The Origin of the Virgo Intergalactic Population 17528 F9W Mihos Ultradiffuse Galaxies in the Virgo Cluster 17535 F7P Veilleux Dust in Galactic Winds and Fountains: A Near-UV Survey of Nearby Highly Inc 17597 FBS Peng Probing the galactic origin of ultra-compact dwarf galaxies 17616 FBY Johnson Cycle 32 COS NUV Detector Dark Monitor 17627 FC5 Li Origin and Feedback of a Giant Radio Galaxy in an Extreme Protocluster at z 17629 FD8 Dallas STIS CCD Dark Monitor Part 1 17632 FCV Lothringer STIS CCD Bias and Read Noise Monitor Part 1 17646 FDW Brown STIS NUV MAMA Dark Monitor 17653 FCS Guzman CCD Daily Monitor (Part 1) 17657 FD2 Guzman CCD Hot Pixel Annealing 17666 FEJ Pidgeon WFC3 UVIS Bowtie Monitor 17667 FE8 Pidgeon WFC3 UVIS CCD Daily Monitor Part 1 17675 FDI O'Connor WFC3 Characterization of UVIS Traps with Charge Injection 17681 FI5 Mack WFC3 UVIS and IR Photometry 17688 FDG Alam WFC3 IR Grism Flux/Trace Calibration 17689 FDL Dauphin WFC3 UVIS Pixel-to-Pixel QE Variations via Internal Flats 17697 FH3 Dorsch A far-UV treasury survey for hot subdwarf stars 17698 FG5 Gaensicke A legacy survey for evolved planetary systems within 100pc 17703 FHH De Cia STIS-ISM: STIS ISM Survey in the Milky Way 17718 FG8 D'Ammando Uncovering the host galaxy and BH mass of a large sample of radio-loud narr 17743 FCR Riess Which dust is it? Unveiling Cosmic Mysteries by Redefining Dust and Distan 17754 FGX Todt Hydrogen-deficient central stars of planetary nebulae: testing the post-AGB 17788 FHG Howell Building a legacy UV data set for supernovae 17794 FH9 Boro Saikia FUV flux of nearby exoplanet host stars in the Ariel target list 17800 FF1 Johnson Diagnostics of AGN Feedback with the first UV atlas of obscured quasars 17806 FFX Tanvir R-process kilonovae associated with merger-driven gamma-ray bursts 13-Feb-2025 18:56:42 --- HST Observing Timeline Report --- Page 2 Proposal Titles for SMS: 250417F4 Prop Prog Principal Id Id Investigator Proposal Title ----- ---- --------------- ---------------------------------------------------------------------- 17811 FGM Gomez Host Galaxy Imaging of Luminous Supernovae: The Missing Link of Stripped En 17818 FEL Morgan Structure of the Extreme-UV Continuum Source in the Heavily Microlensed Qua 17822 FHQ Rogers The frequency and bulk composition of terrestrial exoplanets across Galacti 17850 FIJ Johnson Cycle 32 FUV Detector Dark Monitor 17887 FIZ Sahnow LP7 Exploratory Deuterium Exposures 17893 FJL Anderson Impact of Single Star Guiding on HST Pointing Stabaility with WFC3/UVIS