HET Night Report Reader
   Previous Night Report       Jan 14, 2026 Civil        Next Night Report   

Civil Date
Ephemerides
2026-01-14SunsetSunriseMoon
Set12°18°18°12°RiseRiseSet
00:2401:1201:4112:2912:5813:4711:40-
Night Length10:48Sunset Temperature


On-Duty Personnel
Resident AstronomerTelescope Operator
Sergey RostopchinCassie Crowe


Overlapsnone

Other Personnelnone

Guestsnone


Open/Close Log
Open timeOutdoor tempTruss tempClose timeReasonTime open
00:274.36.512:48twilight12:21
Total Time Open12:21


      
ProgramNight PriorityScience
01:41Science
Stack Data
StartStopee50ee80Hefi FocusMars FocusOutside TempDome TempTruss TempWind DirectionWind SpeedStack Type
01:0201:390.430.6815-26664.45.05.0208First of Night
12:3812:450.590.93-130-21405.35.75.720517Post-Observing


Problem Reportsno PRs


TO CommentsClear all night.


RA Commentsnone


Observations
FileTarget/QIDExp StartExposureOverheadProgramInstrument ConfigurationData TypeIQDimmSkySBrtSkytransSNRCommentsCharge
0001UNe Slave Cal00:01426 HPFcal  Yes
lrs20000027_03dark00:04360 LRS2cal  Yes
virus0000042_03dark00:05360 VIRUScal  Yes
lrs20000001_01skyflat00:287 LRS2cal  Yes
lrs20000002_01skyflat00:3010 LRS2cal  Yes
lrs20000003_01skyflat00:3113 LRS2cal  Yes
lrs20000004_01skyflat00:3216 LRS2cal  Yes
lrs20000005_01skyflat00:3322 LRS2cal  Yes
lrs20000006_01skyflat00:3430 LRS2cal  Yes
virus0000001_01skyflat00:377 VIRUScal  Yes
virus0000002_01skyflat00:3910 VIRUScal  Yes
virus0000003_01skyflat00:4014 VIRUScal  Yes
virus0000004_01skyflat00:4118 VIRUScal  Yes
virus0000005_01skyflat00:4326 VIRUScal  Yes
lrs20000007_01flat_Qth_R00:4515 LRS2cal  Yes
lrs20000007_02flat_Qth_R00:4615 LRS2cal  Yes
lrs20000007_03flat_Qth_R00:4715 LRS2cal  Yes
lrs20000007_04flat_Qth_R00:4915 LRS2cal  Yes
lrs20000007_05flat_Qth_R00:5015 LRS2cal  Yes
lrs20000008_01flat_ldls_long_B00:5120 LRS2cal  Yes
lrs20000008_02flat_ldls_long_B00:5220 LRS2cal  Yes
lrs20000008_03flat_ldls_long_B00:5420 LRS2cal  Yes
lrs20000009_01Cd-A_B00:5529 LRS2cal  Yes
lrs20000009_02Cd-A_B00:5729 LRS2cal  Yes
lrs20000009_03Cd-A_B00:5829 LRS2cal  Yes
lrs20000010_01FeAr_R01:0015 LRS2cal  Yes
lrs20000010_02FeAr_R01:0115 LRS2cal  Yes
lrs20000010_03FeAr_R01:0215 LRS2cal  Yes
lrs20000011_01Hg_R01:0320 LRS2cal  Yes
lrs20000011_02Hg_R01:0520 LRS2cal  Yes
lrs20000011_03Hg_R01:0620 LRS2cal  Yes
lrs20000012_01Hg_B01:0715 LRS2cal  Yes
lrs20000012_02Hg_B01:0815 LRS2cal  Yes
lrs20000012_03Hg_B01:1015 LRS2cal  Yes
0002LFC Cal01:26106.5 HPFcal  Yes
0003LFC Cal01:28106.5 HPFcal  Yes
0004LFC Cal01:30106.5 HPFcal  Yes
0005LFC Cal01:46106.5 HPFcal  Yes
virus0000006_01parallel01:46300 VIRUSsci  Yes
lrs20000013_01QID 193601:463006.0UT26-1-008LRS2-Bsci1.891.3921.470.91  Yes
0006LFC Cal01:48106.5 HPFcal  Yes
0007LFC Cal01:54106.5 HPFcal  Yes
lrs20000014_01parallel01:54360 LRS2sci  Yes
virus0000007_01QID 37701:543603.0UT26-1-008VIRUSsci1.771.3921.751.02  Yes
0008LFC Cal01:57106.5 HPFcal  Yes
lrs20000014_02parallel02:01360 LRS2sci  Yes
virus0000007_02QID 37702:013601.0UT26-1-008VIRUSsci1.621.2921.761.02  Yes
lrs20000014_03parallel02:08360 LRS2sci  Yes
virus0000007_03QID 37702:093602.0UT26-1-008VIRUSsci1.571.2521.760.99  Yes
lrs20000015_01parallel02:18360 LRS2sci  Yes
virus0000008_01QID 90302:183603.0PSU26-1-017VIRUSsci1.631.3821.580.93  Yes
0009LFC Cal02:19106.5 HPFcal  Yes
0010LFC Cal02:21106.5 HPFcal  Yes
lrs20000015_02parallel02:26360 LRS2sci  Yes
virus0000008_02QID 90302:263602.0PSU26-1-017VIRUSsci1.621.2521.540.91  Yes
lrs20000015_03parallel02:33360 LRS2sci  Yes
virus0000008_03QID 90302:333601.0PSU26-1-017VIRUSsci1.661.2621.520.89  Yes
0011LFC Cal02:43106.5 HPFcal  Yes
lrs20000016_01parallel02:43360 LRS2sci  Yes
virus0000009_01QID 36902:433604.0UT26-1-008VIRUSsci1.601.1221.910.94  Yes
0012LFC Cal02:45106.5 HPFcal  Yes
lrs20000016_02parallel02:50360 LRS2sci  Yes
virus0000009_02QID 36902:503601.0UT26-1-008VIRUSsci1.591.2021.980.90  Yes
lrs20000016_03parallel02:57360 LRS2sci  Yes
virus0000009_03QID 36902:573601.0UT26-1-008VIRUSsci1.521.2021.970.90  Yes
lrs20000017_01QID 105703:081505.5PSU26-1-016LRS2-Bsci1.471.1721.850.87  Yes
lrs20000017_02QID 105703:121500.5PSU26-1-016LRS2-Bsci1.401.1221.870.85  Yes
lrs20000018_01parallel03:18360 LRS2sci  Yes
virus0000010_01QID 156203:183604.0UT26-1-008VIRUSsci1.811.3221.820.88  Yes
0013LFC Cal03:19106.5 HPFcal  Yes
0014LFC Cal03:21106.5 HPFcal  Yes
lrs20000018_02parallel03:26360 LRS2sci  Yes
virus0000010_02QID 156203:263602.0UT26-1-008VIRUSsci1.861.7121.770.92  Yes
lrs20000018_03parallel03:33360 LRS2sci  Yes
virus0000010_03QID 156203:333601.0UT26-1-008VIRUSsci1.711.1121.780.90  Yes
0015QID 193503:48127.89.9PSU26-1-004HPFsci1.681.4117.15622 Yes
virus0000011_01parallel03:482506 VIRUSsci  Yes
0016QID 193503:51127.8-0.1PSU26-1-004HPFsci1.681.4117.17627 Yes
0017QID 193503:54127.80.9PSU26-1-004HPFsci1.751.3617.23616 Yes
0018QID 193503:56127.80.9PSU26-1-004HPFsci1.591.4717.30676 Yes
0019QID 193503:59127.8-0.1PSU26-1-004HPFsci1.541.1317.32695 Yes
0020QID 193504:02127.80.9PSU26-1-004HPFsci1.551.4217.35713 Yes
0021QID 193504:04127.80.9PSU26-1-004HPFsci1.491.4017.39728 Yes
0022QID 193504:07127.8-0.1PSU26-1-004HPFsci1.661.1917.44727 Yes
0023QID 193504:10127.80.9PSU26-1-004HPFsci2.021.0317.24631 Yes
0024QID 193504:12127.80.9PSU26-1-004HPFsci2.371.1617.23580 Yes
0025QID 193504:15127.8-0.1PSU26-1-004HPFsci2.251.0217.18553 Yes
0026QID 193504:18127.80.9PSU26-1-004HPFsci2.011.0117.13592 Yes
0027QID 193504:20127.80.9PSU26-1-004HPFsci2.050.9817.05540 Yes
0028QID 193504:23127.8-0.1PSU26-1-004HPFsci2.081.1817.02573 Yes
0029QID 193504:26127.80.9PSU26-1-004HPFsci1.991.3617.00569 Yes
0030LFC Cal04:33106.5 HPFcal  Yes
lrs20000019_01parallel04:33360 LRS2sci  Yes
virus0000012_01QID 36304:333605.0UT26-1-008VIRUSsci1.511.0621.580.83  Yes
0031LFC Cal04:36106.5 HPFcal  Yes
lrs20000019_02parallel04:40360 LRS2sci  Yes
virus0000012_02QID 36304:403601.0UT26-1-008VIRUSsci1.391.0421.470.86  Yes
lrs20000019_03parallel04:48360 LRS2sci  Yes
virus0000012_03QID 36304:483602.0UT26-1-008VIRUSsci1.481.3321.330.95  Yes
lrs20000020_01parallel04:59450 LRS2sci  Yes
virus0000013_01QID 120704:594505.5M26-1-002VIRUSsci1.541.0421.570.97  Yes
0032LFC Cal05:00106.5 HPFcal  Yes
0033LFC Cal05:02106.5 HPFcal  Yes
0034LFC Cal05:04106.5 HPFcal  Yes
lrs20000020_02parallel05:08450 LRS2sci  Yes
virus0000013_02QID 120705:084501.5M26-1-002VIRUSsci1.601.0821.380.97  Yes
lrs20000020_03parallel05:17450 LRS2sci  Yes
virus0000013_03QID 120705:174500.5M26-1-002VIRUSsci1.550.8821.400.97  Yes
virus0000014_01HZ4_042_W05:30606.0VIRUSspec1.590.9121.580.93  Yes
virus0000014_02HZ4_042_W05:32601.0VIRUSspec1.570.9621.530.95  Yes
virus0000014_03HZ4_042_W05:34601.0VIRUSspec1.620.9921.520.96  Yes
0035LFC Cal05:40106.5 HPFcal  Yes
0036QID 159205:42617.76.7UT26-1-007HPFsci1.361.0220.140.8459 Yes
virus0000015_01parallel05:421984 VIRUSsci  Yes
0037QID 159205:53617.71.7UT26-1-007HPFsci1.351.0220.150.8464 Yes
0038QID 159206:04617.70.7UT26-1-007HPFsci1.370.8020.120.8670 Yes
0039LFC Cal06:16106.5 HPFcal  Yes
virus0000016_01parallel06:191984 VIRUSsci  Yes
0040QID 159306:20617.74.7UT26-1-007HPFsci1.300.8120.040.8929 Yes
0041QID 159306:31617.70.7UT26-1-007HPFsci1.320.8419.980.8625 Yes
0042QID 159306:42617.70.7UT26-1-007HPFsci1.350.9419.900.8421 Yes
0043LFC Cal06:54106.5 HPFcal  Yes
0044LFC Cal06:58106.5 HPFcal  Yes
lrs20000021_01parallel06:58360 LRS2sci  Yes
virus0000017_01QID 35706:583606.0UT26-1-008VIRUSsci1.420.8121.681.14  Yes
0045LFC Cal07:01106.5 HPFcal  Yes
lrs20000021_02parallel07:05360 LRS2sci  Yes
virus0000017_02QID 35707:053601.0UT26-1-008VIRUSsci1.340.7921.611.21  Yes
lrs20000021_03parallel07:13360 LRS2sci  Yes
virus0000017_03QID 35707:133602.0UT26-1-008VIRUSsci1.250.7021.491.34  Yes
lrs20000022_01BD+292091_056_E07:24605.0LRS2spec1.220.7321.960.73  Yes
lrs20000023_01BD+292091_066_E07:28603.0LRS2spec1.220.7820.990.83  Yes
0046LFC Cal07:34106.5 HPFcal  Yes
lrs20000024_01parallel07:34600 LRS2sci  Yes
virus0000018_01QID 48907:346005.0UT26-1-018VIRUSsci1.370.9721.860.76  Yes
0047LFC Cal07:36106.5 HPFcal  Yes
0048LFC Cal07:38106.5 HPFcal  Yes
lrs20000024_02parallel07:45600 LRS2sci  Yes
virus0000018_02QID 48907:456001.0UT26-1-018VIRUSsci1.380.8221.870.79  Yes
lrs20000024_03parallel07:56600 LRS2sci  Yes
virus0000018_03QID 48907:566001.0UT26-1-018VIRUSsci1.450.8421.890.76  Yes
lrs20000025_01parallel08:10360 LRS2sci  Yes
virus0000019_01QID 35408:103604.0UT26-1-008VIRUSsci1.551.0222.170.70  Yes
0049LFC Cal08:11106.5 HPFcal  Yes
0050LFC Cal08:13106.5 HPFcal  Yes
lrs20000025_02parallel08:18360 LRS2sci  Yes
virus0000019_02QID 35408:183602.0UT26-1-008VIRUSsci1.450.9322.120.72  Yes
lrs20000025_03parallel08:25360 LRS2sci  Yes
virus0000019_03QID 35408:253601.0UT26-1-008VIRUSsci1.430.9022.080.75  Yes
lrs20000026_01parallel08:48360 LRS2sci  Yes
virus0000020_01QID 35908:4836017.0UT26-1-008VIRUSsci1.551.1021.880.96  Yes
0051LFC Cal08:49106.5 HPFcal  Yes
0052LFC Cal08:51106.5 HPFcal  Yes
lrs20000026_02parallel08:56360 LRS2sci  Yes
virus0000020_02QID 35908:563602.0UT26-1-008VIRUSsci1.571.3121.860.91  Yes
lrs20000026_03parallel09:03360 LRS2sci  Yes
virus0000020_03QID 35909:033601.0UT26-1-008VIRUSsci1.631.3621.840.91  Yes
0053LFC Cal09:11106.5 HPFcal  Yes
lrs20000027_01parallel09:11360 LRS2sci  Yes
virus0000021_01QID 36109:113602.0UT26-1-008VIRUSsci1.641.3921.850.92  Yes
0054LFC Cal09:14106.5 HPFcal  Yes
lrs20000027_02parallel09:18360 LRS2sci  Yes
virus0000021_02QID 36109:183601.0UT26-1-008VIRUSsci1.551.2021.840.91  Yes
lrs20000027_03parallel09:26360 LRS2sci  Yes
virus0000021_03QID 36109:263602.0UT26-1-008VIRUSsci1.580.9021.810.93  Yes
virus0000022_01parallel09:37891 VIRUSsci  Yes
0055QID 176909:38841.46.0UT26-1-014HPFsci1.341.0920.240.86552 Yes
0056LFC Cal09:53106.5 HPFcal  Yes
0057QID 178309:59969.16.8UT26-1-014HPFsci1.611.5420.580.81370 Yes
virus0000023_01parallel09:591023 VIRUSsci  Yes
0058LFC Cal10:17106.5 HPFcal  Yes
lrs20000028_01parallel10:22600 LRS2sci  Yes
virus0000024_01QID 48710:226007.0UT26-1-018VIRUSsci1.541.0821.930.87  Yes
0059LFC Cal10:23106.5 HPFcal  Yes
0060LFC Cal10:25106.5 HPFcal  Yes
0061LFC Cal10:27106.5 HPFcal  Yes
lrs20000028_02parallel10:34600 LRS2sci  Yes
virus0000024_02QID 48710:346002.0UT26-1-018VIRUSsci1.601.1821.890.92  Yes
lrs20000028_03parallel10:45600 LRS2sci  Yes
virus0000024_03QID 48710:456001.0UT26-1-018VIRUSsci1.791.2121.880.89  Yes
virus0000025_01parallel10:591023 VIRUSsci  Yes
0062QID 185711:00969.14.8PSU26-1-007HPFsci1.581.2920.260.9447 Yes
0063LFC Cal11:17106.5 HPFcal  Yes
virus0000026_01parallel11:232047 VIRUSsci  Yes
0064QID 2111:24969.17.8UT26-1-003HPFsci1.911.2020.180.9634 Yes
0065QID 2111:41969.10.8UT26-1-003HPFsci1.871.4320.350.9339 Yes
0066LFC Cal12:00106.5 HPFcal  Yes
0067QID 43212:05915.97.7G26-1-002HPFsci1.511.2520.341.0148 Yes
virus0000027_01parallel12:051959 VIRUSsci  Yes
0068QID 43212:21915.91.7G26-1-002HPFsci1.491.0320.301.0041 Yes
0069LFC Cal12:38106.5 HPFcal  Yes
lrs20000029_01bias12:380 LRS2cal  Yes
virus0000028_01bias12:390 VIRUScal  Yes
virus0000029_01bias12:410 VIRUScal  Yes
lrs20000030_01bias12:420 LRS2cal  Yes
virus0000030_01bias12:430 VIRUScal  Yes
virus0000031_01Cd-A12:4615 ENG26-1-002VIRUScal  Yes
virus0000032_01Hg12:4715 ENG26-1-002VIRUScal  Yes
0070Dark12:56319.5 HPFcal  Yes
0071Quartz FCU13:0874.5 HPFcal  Yes
0072Quartz FCU13:0974.5 HPFcal  Yes
0073Quartz FCU13:1174.5 HPFcal  Yes
0074Quartz FCU13:1374.5 HPFcal  Yes
0075Quartz FCU13:1574.5 HPFcal  Yes
0076Quartz FCU13:1774.5 HPFcal  Yes
0077Quartz FCU13:1874.5 HPFcal  Yes
0078Alpha Bright Cal13:2185.2 HPFcal  Yes
0079Alpha Bright Cal13:2385.2 HPFcal  Yes
0080Alpha Bright Cal13:2485.2 HPFcal  Yes
0081Alpha Bright Cal13:2685.2 HPFcal  Yes
0082LFC FCU13:29106.5 HPFcal  Yes
0083LFC FCU13:31106.5 HPFcal  Yes
0084LFC FCU13:34106.5 HPFcal  Yes
0085LFC FCU13:36106.5 HPFcal  Yes
0086LFC FCU13:38106.5 HPFcal  Yes
0087LFC FCU13:41106.5 HPFcal  Yes
0088LFC Cal13:44106.5 HPFcal  Yes
0089LFC Cal13:46106.5 HPFcal  Yes
0090Etalon Cal13:54159.8 HPFcal  Yes
0091Etalon Cal13:57159.8 HPFcal  Yes
0092Etalon Cal14:00159.8 HPFcal  Yes
0093Etalon Cal14:03159.8 HPFcal  Yes
0094UNe Slave Cal14:07426 HPFcal  Yes
0095UNe Slave Cal14:15426 HPFcal  Yes
0096UNe Slave Cal14:22426 HPFcal  Yes
0097UNe Slave Cal14:30426 HPFcal  Yes
0098UNe Slave Cal14:38426 HPFcal  Yes
0099UNe Slave Cal14:46426 HPFcal  Yes
0104LFC Cal22:15106.5 HPFcal  Yes
lrs20009900_01bias22:280 LRS2cal  Yes
virus0009900_01flat_Qth22:2920 VIRUScal  Yes
virus0009901_01bias22:300 VIRUScal  Yes
lrs20009901_01flat_ldls_long_B22:3120 LRS2cal  Yes
virus0009902_01dark22:3215 VIRUScal  Yes
lrs20009902_01Cd-A_B22:3329 LRS2cal  Yes
lrs20009903_01FeAr_R22:3515 LRS2cal  Yes
lrs20009904_01Hg_B22:3615 LRS2cal  Yes
0105Dark22:40319.5 HPFcal  Yes
0106Quartz FCU22:4774.5 HPFcal  Yes
0107Quartz FCU22:4974.5 HPFcal  Yes
0108Quartz FCU22:5074.5 HPFcal  Yes
0109Quartz FCU22:5274.5 HPFcal  Yes
0110Quartz FCU22:5474.5 HPFcal  Yes
0111Quartz FCU22:5674.5 HPFcal  Yes
0112Quartz FCU22:5774.5 HPFcal  Yes
0113Alpha Bright Cal23:0085.2 HPFcal  Yes
0114Alpha Bright Cal23:0285.2 HPFcal  Yes
0115Alpha Bright Cal23:0485.2 HPFcal  Yes
0116Alpha Bright Cal23:0685.2 HPFcal  Yes
0117LFC FCU23:08106.5 HPFcal  Yes
0118LFC FCU23:11106.5 HPFcal  Yes
0119LFC Cal23:13106.5 HPFcal  Yes
0120LFC Cal23:16106.5 HPFcal  Yes
0121Etalon Cal23:18159.8 HPFcal  Yes
0122UNe Slave Cal23:22426 HPFcal  Yes
virus0000038_01flat_ldls_long23:2915 VIRUScal  Yes
0123UNe Slave Cal23:30426 HPFcal  Yes
virus0000038_02flat_ldls_long23:3015 VIRUScal  Yes
virus0000038_03flat_ldls_long23:3215 VIRUScal  Yes
virus0000039_01Cd-A23:3315 VIRUScal  Yes
virus0000039_02Cd-A23:3415 VIRUScal  Yes
virus0000039_03Cd-A23:3615 VIRUScal  Yes
0124UNe Slave Cal23:37426 HPFcal  Yes
virus0000040_01Hg23:3715 VIRUScal  Yes
virus0000040_02Hg23:3815 VIRUScal  Yes
virus0000040_03Hg23:4015 VIRUScal  Yes
lrs20000026_01bias23:410 LRS2cal  Yes
virus0000041_01bias23:410 VIRUScal  Yes
lrs20000026_02bias23:420 LRS2cal  Yes
virus0000041_02bias23:420 VIRUScal  Yes
lrs20000026_03bias23:430 LRS2cal  Yes
virus0000041_03bias23:430 VIRUScal  Yes
lrs20000026_04bias23:440 LRS2cal  Yes
virus0000041_04bias23:440 VIRUScal  Yes
lrs20000026_05bias23:440 LRS2cal  Yes
virus0000041_05bias23:450 VIRUScal  Yes
0125UNe Slave Cal23:45426 HPFcal  Yes
lrs20000026_06bias23:450 LRS2cal  Yes
virus0000041_06bias23:460 VIRUScal  Yes
lrs20000026_07bias23:460 LRS2cal  Yes
virus0000041_07bias23:470 VIRUScal  Yes
lrs20000026_08bias23:470 LRS2cal  Yes
virus0000041_08bias23:470 VIRUScal  Yes
lrs20000026_09bias23:480 LRS2cal  Yes
virus0000041_09bias23:480 VIRUScal  Yes
lrs20000026_10bias23:490 LRS2cal  Yes
virus0000041_10bias23:490 VIRUScal  Yes
lrs20000026_11bias23:500 LRS2cal  Yes
virus0000041_11bias23:500 VIRUScal  Yes
lrs20000027_01dark23:51360 LRS2cal  Yes
virus0000042_01dark23:51360 VIRUScal  Yes
0126UNe Slave Cal23:53426 HPFcal  Yes
lrs20000027_02dark23:57360 LRS2cal  Yes
virus0000042_02dark23:58360 VIRUScal  Yes