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Civil Date
Ephemerides
2026-05-19SunsetSunriseMoon
Set12°18°18°12°RiseRiseSet
01:5402:4503:1910:2510:5911:51-05:22
Night Length7:06Sunset Temperature


On-Duty Personnel
Resident AstronomerTelescope OperatorOPS EngineerDay Ops
Zach VanderboschCassie Crowe--


Overlapsnone

Other Personnelnone

Guestsnone


Open/Close Log
Open timeOutdoor tempTruss tempClose timeReasonTime open
01:5019.419.705:58dew point04:08
Total Time Open4:08


      
ProgramNight PriorityScience
03:19Idle due to weather (Clouds)
04:13Science
04:25Idle due to weather (Clouds, humidity)
Stack Data
StartStopee50ee80Hefi FocusMars FocusOutside TempDome TempTruss TempWind DirectionWind SpeedStack Type
02:2802:530.430.66-405+90118.919.419.47015First of Night
05:0805:130.590.87-235+112716.817.317.510814Post-Observing
05:1305:360.390.60-405+195616.517.117.311813Stack/Re-stack


Problem Reportsno PRs


Ops Commentsnone


TO CommentsFighting clouds for first half. Closed for humidity and fog. Ext DP is giving bad readings so likely iced up.


RA Commentsnone


Observations
FileTarget/QIDExp StartExposureOverheadProgramInstrument ConfigurationData TypeIQDimmSkySBrtSkytransSNRCommentsCharge
0001twilight01:51298.2 HPFcal383 Yes
lrs20000001_01skyflat01:597 LRS2cal  Yes
lrs20000002_01skyflat02:0010 LRS2cal  Yes
lrs20000003_01skyflat02:0113 LRS2cal  Yes
lrs20000004_01skyflat02:0316 LRS2cal  Yes
lrs20000005_01skyflat02:0422 LRS2cal  Yes
lrs20000006_01skyflat02:0530 LRS2cal  Yes
virus0000001_01skyflat02:097 VIRUScal  Yes
virus0000002_01skyflat02:1010 VIRUScal  Yes
virus0000003_01skyflat02:1114 VIRUScal  Yes
virus0000004_01skyflat02:1318 VIRUScal  Yes
virus0000005_01skyflat02:1426 VIRUScal  Yes
0002QID 73502:59969.15.8UT26-2-007HPFsci2.251.6320.428Poor image quality.No
virus0000006_01parallel02:591023 VIRUSsci  Yes
0003LFC Cal03:23106.5 HPFcal  Yes
virus0000007_01parallel03:233000 VIRUSsci  Yes
lrs20000007_01QID 1203:2330008.0PSU26-2-005LRS2-Bsci2.091.3621.300.46 Low transparency from intermittent clouds.No
0004LFC Cal03:26106.5 HPFcal  Yes
0005LFC Cal03:28106.5 HPFcal  Yes
0006HR4131_tell_std04:20330.26.5HPFtelluric2.641.8619.810.55  Yes
virus0000008_01parallel04:322047 VIRUSsci  Yes
0007QID 67404:33969.17.8PSU26-2-013HPFsci2.111.5419.930.2464Clouds, low transparency.No
0008QID 67404:50969.10.8PSU26-2-013HPFsci2.021.2419.880.2671 No
0009LFC Cal05:08106.5 HPFcal  Yes
0010LFC Cal05:41106.5 HPFcal  Yes
lrs20000008_01parallel05:41360 LRS2sci  Yes
virus0000009_01QID 92305:413605.0UT26-2-016VIRUSsci1.641.4722.080.72 Aborted after second exposure. Dome closed for high humidity.No
0011LFC Cal05:44106.5 HPFcal  Yes
lrs20000008_02parallel05:48360 LRS2sci  Yes
virus0000009_02QID 92305:483601.0UT26-2-016VIRUSsci1.761.3321.750.78  No
0012LFC Cal05:59106.5 HPFcal  Yes
0013LFC Cal06:02106.5 HPFcal  Yes
0014LFC Cal06:04106.5 HPFcal  Yes
0015LFC Cal07:04106.5 HPFcal  Yes
0016LFC Cal07:06106.5 HPFcal  Yes
0017LFC Cal07:09106.5 HPFcal  Yes
0018LFC Cal08:03106.5 HPFcal  Yes
0019LFC Cal08:05106.5 HPFcal  Yes
0020LFC Cal08:07106.5 HPFcal  Yes
virus0000010_01dark08:36360 ENG26-2-004VIRUScal  Yes
virus0000010_02dark08:43360 ENG26-2-004VIRUScal  Yes
virus0000010_03dark08:50360 ENG26-2-004VIRUScal  Yes
virus0000010_04dark08:57360 ENG26-2-004VIRUScal  Yes
virus0000010_05dark09:04360 ENG26-2-004VIRUScal  Yes
virus0000010_06dark09:11360 ENG26-2-004VIRUScal  Yes
virus0000010_07dark09:18360 ENG26-2-004VIRUScal  Yes
virus0000010_08dark09:24360 ENG26-2-004VIRUScal  Yes
virus0000010_09dark09:31360 ENG26-2-004VIRUScal  Yes
virus0000010_10dark09:38360 ENG26-2-004VIRUScal  Yes
0021LFC Cal09:45106.5 HPFcal  Yes
0022LFC Cal09:48106.5 HPFcal  Yes
0023LFC Cal09:50106.5 HPFcal  Yes
lrs20000009_01FeAr_long_R10:0765 ENG26-2-002LRS2cal  Yes
lrs20000009_02FeAr_long_R10:0965 ENG26-2-002LRS2cal  Yes
lrs20000009_03FeAr_long_R10:1165 ENG26-2-002LRS2cal  Yes
lrs20000009_04FeAr_long_R10:1365 ENG26-2-002LRS2cal  Yes
lrs20000010_01FeAr_long_B10:18150 ENG26-2-002LRS2cal  Yes
lrs20000010_02FeAr_long_B10:21150 ENG26-2-002LRS2cal  Yes
lrs20000010_03FeAr_long_B10:25150 ENG26-2-002LRS2cal  Yes
lrs20000010_04FeAr_long_B10:28150 ENG26-2-002LRS2cal  Yes
0024LFC Cal10:39106.5 HPFcal  Yes
0025LFC Cal10:41106.5 HPFcal  Yes
0026LFC Cal10:43106.5 HPFcal  Yes
lrs20000011_01bias10:470 LRS2cal  Yes
virus0000011_01bias10:480 VIRUScal  Yes
virus0000012_01Cd-A10:5215 ENG26-2-002VIRUScal  Yes
virus0000013_01Hg10:5315 ENG26-2-002VIRUScal  Yes
0027Dark11:02319.5 HPFcal  Yes
0028Quartz FCU11:1474.5 HPFcal  Yes
0029Quartz FCU11:1574.5 HPFcal  Yes
0030Quartz FCU11:1774.5 HPFcal  Yes
0031Quartz FCU11:1974.5 HPFcal  Yes
0032Quartz FCU11:2174.5 HPFcal  Yes
0033Quartz FCU11:2374.5 HPFcal  Yes
0034Quartz FCU11:2474.5 HPFcal  Yes
0035Alpha Bright Cal11:2785.2 HPFcal  Yes
0036Alpha Bright Cal11:2985.2 HPFcal  Yes
0037Alpha Bright Cal11:3185.2 HPFcal  Yes
0038Alpha Bright Cal11:3385.2 HPFcal  Yes
0039LFC FCU11:35106.5 HPFcal  Yes
0040LFC FCU11:38106.5 HPFcal  Yes
0041LFC FCU11:40106.5 HPFcal  Yes
0042LFC FCU11:42106.5 HPFcal  Yes
0043LFC FCU11:44106.5 HPFcal  Yes
0044LFC FCU11:47106.5 HPFcal  Yes
0045LFC Cal11:50106.5 HPFcal  Yes
0046LFC Cal11:52106.5 HPFcal  Yes
0047Etalon Cal12:00159.8 HPFcal  Yes
0048Etalon Cal12:03159.8 HPFcal  Yes
0049Etalon Cal12:06159.8 HPFcal  Yes
0050Etalon Cal12:09159.8 HPFcal  Yes
0051UNe Slave Cal12:13426 HPFcal  Yes
0052UNe Slave Cal12:21426 HPFcal  Yes
0053UNe Slave Cal12:28426 HPFcal  Yes
0054UNe Slave Cal12:36426 HPFcal  Yes
0055UNe Slave Cal12:44426 HPFcal  Yes
0056UNe Slave Cal12:52426 HPFcal  Yes
virus0008100_01dark14:1920 VIRUScal  Yes
virus0008100_02dark14:2020 VIRUScal  Yes
virus0008101_01flat_ldls_long14:2415 VIRUScal  Yes
virus0008101_02flat_ldls_long14:2515 VIRUScal  Yes
virus0008102_01bias14:270 VIRUScal  Yes
virus0008102_02bias14:280 VIRUScal  Yes
lrs20009900_01bias21:510 LRS2cal  Yes
0069LFC Cal21:52106.5 HPFcal  Yes
virus0009900_01flat_Qth21:5220 VIRUScal  Yes
virus0009901_01bias21:540 VIRUScal  Yes
lrs20009901_01flat_ldls_long_B21:5420 LRS2cal  Yes
virus0009902_01dark21:5615 VIRUScal  Yes
lrs20009902_01Cd-A_B21:5629 LRS2cal  Yes
lrs20009903_01FeAr_R21:5815 LRS2cal  Yes
lrs20009904_01Hg_B21:5915 LRS2cal  Yes
0070Dark22:03319.5 HPFcal  Yes
0071Quartz FCU22:0974.5 HPFcal  Yes
0072Quartz FCU22:1174.5 HPFcal  Yes
0073Quartz FCU22:1374.5 HPFcal  Yes
0074Quartz FCU22:1574.5 HPFcal  Yes
0075Quartz FCU22:1674.5 HPFcal  Yes
0076Quartz FCU22:1874.5 HPFcal  Yes
0077Quartz FCU22:2074.5 HPFcal  Yes
0078Alpha Bright Cal22:2285.2 HPFcal  Yes
0079Alpha Bright Cal22:2485.2 HPFcal  Yes
0080Alpha Bright Cal22:2685.2 HPFcal  Yes
0081Alpha Bright Cal22:2885.2 HPFcal  Yes
0082LFC FCU22:31106.5 HPFcal  Yes
0083LFC FCU22:33106.5 HPFcal  Yes
0084LFC Cal22:36106.5 HPFcal  Yes
0085LFC Cal22:38106.5 HPFcal  Yes
0086Etalon Cal22:41159.8 HPFcal  Yes
0087UNe Slave Cal22:44426 HPFcal  Yes
lrs20000019_01flat_Qth_R22:4515 LRS2cal  Yes
lrs20000019_02flat_Qth_R22:4615 LRS2cal  Yes
lrs20000019_03flat_Qth_R22:4815 LRS2cal  Yes
lrs20000019_04flat_Qth_R22:4915 LRS2cal  Yes
lrs20000019_05flat_Qth_R22:5015 LRS2cal  Yes
lrs20000020_01flat_ldls_long_B22:5120 LRS2cal  Yes
0088UNe Slave Cal22:52426 HPFcal  Yes
lrs20000020_02flat_ldls_long_B22:5320 LRS2cal  Yes
lrs20000020_03flat_ldls_long_B22:5420 LRS2cal  Yes
lrs20000021_01Cd-A_B22:5529 LRS2cal  Yes
lrs20000021_02Cd-A_B22:5729 LRS2cal  Yes
lrs20000021_03Cd-A_B22:5829 LRS2cal  Yes
0089UNe Slave Cal23:00426 HPFcal  Yes
lrs20000022_01FeAr_R23:0015 LRS2cal  Yes
lrs20000022_02FeAr_R23:0115 LRS2cal  Yes
lrs20000022_03FeAr_R23:0215 LRS2cal  Yes
lrs20000023_01Hg_R23:0320 LRS2cal  Yes
lrs20000023_02Hg_R23:0520 LRS2cal  Yes
lrs20000023_03Hg_R23:0620 LRS2cal  Yes
lrs20000024_01Hg_B23:0715 LRS2cal  Yes
0090UNe Slave Cal23:08426 HPFcal  Yes
lrs20000024_02Hg_B23:0915 LRS2cal  Yes
lrs20000024_03Hg_B23:1015 LRS2cal  Yes
0091UNe Slave Cal23:16426 HPFcal  Yes
virus0000023_01flat_ldls_long23:1615 VIRUScal  Yes
virus0000023_02flat_ldls_long23:1815 VIRUScal  Yes
virus0000023_03flat_ldls_long23:1915 VIRUScal  Yes
virus0000024_01Cd-A23:2015 VIRUScal  Yes
virus0000024_02Cd-A23:2215 VIRUScal  Yes
0092UNe Slave Cal23:23426 HPFcal  Yes
virus0000024_03Cd-A23:2315 VIRUScal  Yes
virus0000025_01Hg23:2515 VIRUScal  Yes
virus0000025_02Hg23:2615 VIRUScal  Yes
virus0000025_03Hg23:2715 VIRUScal  Yes
lrs20000025_01bias23:290 LRS2cal  Yes
virus0000026_01bias23:290 VIRUScal  Yes
lrs20000025_02bias23:300 LRS2cal  Yes
virus0000026_02bias23:300 VIRUScal  Yes
lrs20000025_03bias23:300 LRS2cal  Yes
virus0000026_03bias23:310 VIRUScal  Yes
lrs20000025_04bias23:310 LRS2cal  Yes
virus0000026_04bias23:310 VIRUScal  Yes
lrs20000025_05bias23:320 LRS2cal  Yes
virus0000026_05bias23:320 VIRUScal  Yes
lrs20000025_06bias23:330 LRS2cal  Yes
virus0000026_06bias23:330 VIRUScal  Yes
lrs20000025_07bias23:340 LRS2cal  Yes
virus0000026_07bias23:340 VIRUScal  Yes
lrs20000025_08bias23:350 LRS2cal  Yes
virus0000026_08bias23:350 VIRUScal  Yes
lrs20000025_09bias23:350 LRS2cal  Yes
lrs20000025_10bias23:360 LRS2cal  Yes
virus0000026_09bias23:360 VIRUScal  Yes
virus0000026_10bias23:370 VIRUScal  Yes
lrs20000025_11bias23:370 LRS2cal  Yes
virus0000026_11bias23:380 VIRUScal  Yes
lrs20000026_01dark23:38360 LRS2cal  Yes
virus0000027_01dark23:38360 VIRUScal  Yes
lrs20000026_02dark23:45360 LRS2cal  Yes
virus0000027_02dark23:45360 VIRUScal  Yes
lrs20000026_03dark23:52360 LRS2cal  Yes
virus0000027_03dark23:52360 VIRUScal  Yes