HET Night Report Reader
   Previous Night Report       Jan 10, 2026 Civil        Next Night Report   

Civil Date
Ephemerides
2026-01-10SunsetSunriseMoon
Set12°18°18°12°RiseRiseSet
00:2001:0801:3812:2912:5813:4707:52-
Night Length10:51Sunset Temperature


On-Duty Personnel
Resident AstronomerTelescope Operator
Justen Pautzke / Jose FernandezAmy Westfall


Overlapsnone

Other PersonnelGeorge Damm

Guestsnone


Open/Close Log
Open timeOutdoor tempTruss tempClose timeReasonTime open
00:200.35.513:09twilight12:49
Total Time Open12:49


      
ProgramNight PriorityScience
01:38Science
05:02Idle due to weather (IQ degraded)
05:30Science
11:33Idle due to weather (Clouds)
11:43Science
Stack Data
StartStopee50ee80Hefi FocusMars FocusOutside TempDome TempTruss TempWind DirectionWind SpeedStack Type
00:4503:49-2.5-1.7-1.5317First of Night
07:2608:55-3.8-2.8-2.67011Stack/Re-stack
13:0213:080.801.30-40+4293-3.8-3.4-3.57414Post-Observing


Problem Reports
PR NumberTimesTime LostDescriptionResponse
662100:45-01:4501:00Due to difference between external temp, truss temp and primary, stacking had to be delayed. (~5-6 degree C difference)
662202:40-03:4001:00MARS Y stage hits end of physical travel range, the "winter limit"
662305:44-05:5000:06Homed dome in attempt to remedy issues
662408:56-09:0600:10Confusing probe offset failure mode leads to some lost time during science target
655410:49-10:5400:05Non-reentrant handler HPF_ACQ_SetExposureTime is busy/HPF ACQ unusable until pas server restart.


TO Commentsnone


RA Commentsnone


Observations
FileTarget/QIDExp StartExposureOverheadProgramInstrument ConfigurationData TypeIQDimmSkySBrtSkytransSNRCommentsCharge
lrs20000022_03dark00:02360 LRS2cal  Yes
virus0000018_03dark00:02360 VIRUScal  Yes
0001twilight00:17298.2 HPFcal524 Yes
lrs20000001_01skyflat00:257 LRS2cal  Yes
lrs20000002_01skyflat00:2610 LRS2cal  Yes
lrs20000003_01skyflat00:2713 LRS2cal  Yes
lrs20000004_01skyflat00:2916 LRS2cal  Yes
lrs20000005_01skyflat00:3022 LRS2cal  Yes
lrs20000006_01skyflat00:3130 LRS2cal  Yes
virus0000001_01skyflat00:347 VIRUScal  Yes
virus0000002_01skyflat00:3510 VIRUScal  Yes
virus0000003_01skyflat00:3714 VIRUScal  Yes
virus0000004_01skyflat00:3818 VIRUScal  Yes
virus0000005_01skyflat00:4026 VIRUScal  Yes
lrs20000007_01bias00:440 LRS2cal  Yes
virus0000006_01bias00:440 VIRUScal  Yes
lrs20000007_02bias00:450 LRS2cal  Yes
virus0000006_02bias00:450 VIRUScal  Yes
lrs20000007_03bias00:460 LRS2cal  Yes
virus0000006_03bias00:460 VIRUScal  Yes
lrs20000007_04bias00:470 LRS2cal  Yes
virus0000006_04bias00:470 VIRUScal  Yes
lrs20000007_05bias00:480 LRS2cal  Yes
virus0000006_05bias00:480 VIRUScal  Yes
lrs20000007_06bias00:480 LRS2cal  Yes
virus0000006_06bias00:490 VIRUScal  Yes
lrs20000007_07bias00:490 LRS2cal  Yes
virus0000006_07bias00:500 VIRUScal  Yes
lrs20000007_08bias00:500 LRS2cal  Yes
virus0000006_08bias00:500 VIRUScal  Yes
lrs20000007_09bias00:510 LRS2cal  Yes
virus0000006_09bias00:510 VIRUScal  Yes
lrs20000007_10bias00:520 LRS2cal  Yes
virus0000006_10bias00:520 VIRUScal  Yes
lrs20000007_11bias00:530 LRS2cal  Yes
virus0000006_11bias00:530 VIRUScal  Yes
0002LFC Cal02:58106.5 HPFcal  Yes
0003LFC Cal03:01106.5 HPFcal  Yes
0004LFC Cal03:03106.5 HPFcal  Yes
virus0000007_01parallel03:584486 VIRUSsci  Yes
0005QID 156803:59127.89.9PSU26-1-004HPFsci2.472.1517.290.82448 Yes
0006QID 156804:01127.8-0.1PSU26-1-004HPFsci2.552.4917.490.86472 Yes
0007QID 156804:04127.80.9PSU26-1-004HPFsci2.362.2117.660.89510 Yes
0008QID 156804:07127.80.9PSU26-1-004HPFsci2.242.2517.690.88526 Yes
0009QID 156804:09127.8-0.1PSU26-1-004HPFsci2.212.4117.650.84524 Yes
0010QID 156804:12127.80.9PSU26-1-004HPFsci2.562.3517.841.23589 Yes
0011QID 156804:15127.80.9PSU26-1-004HPFsci2.682.3317.681.27569 Yes
0012QID 156804:17127.8-0.1PSU26-1-004HPFsci2.202.6316.14568 Yes
0013QID 156804:20127.80.9PSU26-1-004HPFsci2.162.2815.84627 Yes
0014QID 156804:23127.80.9PSU26-1-004HPFsci2.232.2916.02636 Yes
0015QID 156804:25127.8-0.1PSU26-1-004HPFsci2.412.3616.35615 Yes
0016QID 156804:28127.80.9PSU26-1-004HPFsci2.002.3617.410.81702 Yes
0017QID 156804:31127.80.9PSU26-1-004HPFsci1.851.9617.320.83703 Yes
0018QID 156804:33127.8-0.1PSU26-1-004HPFsci1.951.5817.400.86639 Yes
0019QID 156804:36127.80.9PSU26-1-004HPFsci2.141.8217.580.88553 Yes
0020QID 156804:39127.80.9PSU26-1-004HPFsci2.292.1117.080.79500 Yes
0021QID 156804:41127.8-0.1PSU26-1-004HPFsci2.141.9817.060.81554 Yes
0022QID 156804:44127.80.9PSU26-1-004HPFsci2.072.2117.070.86531 Yes
0023QID 156804:47127.80.9PSU26-1-004HPFsci1.831.7015.70571 Yes
0024QID 156804:49127.8-0.1PSU26-1-004HPFsci1.851.8115.62546 Yes
0025QID 156804:52127.80.9PSU26-1-004HPFsci1.981.8815.59415 Yes
0026QID 156804:55127.80.9PSU26-1-004HPFsci2.091.8715.99466 Yes
0027QID 156804:57127.8-0.1PSU26-1-004HPFsci2.081.9015.90451 Yes
0028QID 156805:00127.80.9PSU26-1-004HPFsci2.072.0815.87444 Yes
0029LFC Cal05:10106.5 HPFcal  Yes
lrs20000008_01parallel05:10360 LRS2sci  Yes
virus0000008_01QID 156205:103608.0UT26-1-008VIRUSsci2.452.4521.85 IQ degradedNo
0030LFC Cal05:12106.5 HPFcal  Yes
lrs20000008_02parallel05:17360 LRS2sci  Yes
virus0000008_02QID 156205:173601.0UT26-1-008VIRUSsci2.501.7721.85  No
lrs20000008_03parallel05:24360 LRS2sci  Yes
virus0000008_03QID 156205:243601.0UT26-1-008VIRUSsci2.521.7722.01  No
lrs20000009_01BD+541216_056_E05:38608.0LRS2spec2.221.3221.820.78  Yes
lrs20000010_01BD+541216_066_E05:42303.5LRS2spec2.131.2220.880.99  Yes
0031LFC Cal05:50106.5 HPFcal  Yes
virus0000009_01parallel05:561984 VIRUSsci  Yes
0032QID 159405:57617.76.7UT26-1-007HPFsci2.201.6220.360.8739 Yes
0033QID 159406:08617.70.7UT26-1-007HPFsci2.181.2920.300.8537 Yes
0034QID 159406:19617.70.7UT26-1-007HPFsci2.251.4020.270.7029 Yes
0035LFC Cal06:31106.5 HPFcal  Yes
0036LFC Cal06:39106.5 HPFcal  Yes
lrs20000011_01parallel06:39360 LRS2sci  Yes
virus0000010_01QID 35606:3936010.0UT26-1-008VIRUSsci2.021.0421.680.92  Yes
0037LFC Cal06:41106.5 HPFcal  Yes
lrs20000011_02parallel06:46360 LRS2sci  Yes
virus0000010_02QID 35606:463601.0UT26-1-008VIRUSsci1.950.9521.640.93  Yes
lrs20000011_03parallel06:53360 LRS2sci  Yes
virus0000010_03QID 35606:533601.0UT26-1-008VIRUSsci1.951.0621.660.92  Yes
0038LFC Cal07:02106.5 HPFcal  Yes
lrs20000012_01parallel07:02360 LRS2sci  Yes
virus0000011_01QID 35607:02603.0UT26-1-008VIRUSsci1.910.8221.670.87 Ran previous target outside of HObS and did not catch that HObS picked target we had just done.No
0039LFC Cal07:04106.5 HPFcal  Yes
lrs20000013_01parallel07:06360 LRS2sci  Yes
virus0000012_01QID 35807:063603.0UT26-1-008VIRUSsci1.850.7721.650.84  Yes
0040LFC Cal07:07106.5 HPFcal  Yes
0041LFC Cal07:09106.5 HPFcal  Yes
lrs20000013_02parallel07:13360 LRS2sci  Yes
virus0000012_02QID 35807:133601.0UT26-1-008VIRUSsci1.740.8721.600.81  Yes
lrs20000013_03parallel07:20360 LRS2sci  Yes
virus0000012_03QID 35807:203601.0UT26-1-008VIRUSsci1.601.0621.570.96  Yes
0042LFC Cal08:22106.5 HPFcal  Yes
0043LFC Cal08:25106.5 HPFcal  Yes
0044LFC Cal08:27106.5 HPFcal  Yes
0045QID 156809:04127.87.9PSU26-1-004HPFsci1.441.0116.110.63 Problem with equipment required a realignment on HPF science fiber.No
virus0000013_01parallel09:043331 VIRUSsci  Yes
0046QID 156809:09127.83.9PSU26-1-004HPFsci1.511.0416.160.73505 Yes
virus0000014_01parallel09:093331 VIRUSsci  Yes
0047QID 156809:12127.8-0.1PSU26-1-004HPFsci1.620.9616.190.78523 Yes
0048QID 156809:15127.80.9PSU26-1-004HPFsci1.610.9116.420.81507 Yes
0049QID 156809:17127.80.9PSU26-1-004HPFsci1.561.0316.520.80394 Yes
0050QID 156809:20127.8-0.1PSU26-1-004HPFsci1.550.9616.570.75175 Yes
0051QID 156809:23127.80.9PSU26-1-004HPFsci1.611.1216.020.62630 Yes
0052QID 156809:25127.80.9PSU26-1-004HPFsci1.631.1016.200.67680 Yes
0053QID 156809:28127.8-0.1PSU26-1-004HPFsci1.991.0716.450.74599 Yes
0054QID 156809:31127.80.9PSU26-1-004HPFsci1.971.2116.300.76656 Yes
0055QID 156809:33127.80.9PSU26-1-004HPFsci1.931.3716.140.65556 Yes
0056QID 156809:36127.8-0.1PSU26-1-004HPFsci1.821.3316.000.64578 Yes
0057QID 156809:39127.80.9PSU26-1-004HPFsci1.871.4216.280.64489 Yes
0058QID 156809:41127.80.9PSU26-1-004HPFsci2.041.6716.320.68486 Yes
0059QID 156809:44127.8-0.1PSU26-1-004HPFsci2.071.8816.400.71464 Yes
0060QID 156809:47127.80.9PSU26-1-004HPFsci2.382.3316.470.69419 Yes
0061QID 156809:49127.80.9PSU26-1-004HPFsci2.401.9916.580.69394 Yes
0062QID 156809:52127.8-0.1PSU26-1-004HPFsci2.252.1216.680.71383 Yes
0063QID 156809:55127.80.9PSU26-1-004HPFsci2.402.0816.640.69352 Yes
0064QID 156809:57127.80.9PSU26-1-004HPFsci2.292.1116.610.63320 Yes
0065QID 156810:00127.8-0.1PSU26-1-004HPFsci2.262.1416.400.58269 Yes
0066QID 156810:03127.80.9PSU26-1-004HPFsci2.332.3616.390.46238Thin clouds and variable IQ during some exposures.Yes
virus0000015_01parallel10:142047 VIRUSsci  Yes
0067QID 141010:15969.19.8PSU26-1-002HPFsci2.222.2419.580.81152 Yes
0068QID 141010:32969.11.8PSU26-1-002HPFsci1.941.6119.560.79184 Yes
0069LFC Cal10:50106.5 HPFcal  Yes
0070QID 189311:00617.76.7UT26-1-009HPFsci1.741.4819.510.68114 Yes
virus0000016_01parallel11:001984 VIRUSsci  Yes
0071QID 189311:11617.70.7UT26-1-009HPFsci1.601.4519.620.75123 Yes
0072QID 189311:23617.70.7UT26-1-009HPFsci1.511.3719.700.78128 Yes
0073HR5085_tell_std11:50117.27.0HPFtelluric1.481.1119.580.54  Yes
0074QID 2111:58969.15.8UT26-1-003HPFsci1.450.9119.500.7145 Yes
virus0000017_01parallel11:582047 VIRUSsci  Yes
0075QID 2112:15969.10.8UT26-1-003HPFsci1.471.0619.600.7045 Yes
0076LFC Cal12:38106.5 HPFcal  Yes
virus0000018_01parallel12:38900 VIRUSsci  Yes
lrs20000014_01QID 9712:389007.0PSU26-1-013LRS2-Rsci1.611.0719.980.75 Sky very slightly brighter than requested. Please check data is OK.Yes
0077LFC Cal12:41106.5 HPFcal  Yes
0078LFC Cal12:43106.5 HPFcal  Yes
0079QID 110013:0074.56.8PSU26-1-011HPFsci2.131.5919.490.75  P4
lrs20000015_01bias13:030 LRS2cal  Yes
virus0000019_01bias13:030 VIRUScal  Yes
virus0000020_01Cd-A13:0815 ENG26-1-002VIRUScal  Yes
virus0000021_01Hg13:0915 ENG26-1-002VIRUScal  Yes
0080Dark13:14319.5 HPFcal  Yes
0081Quartz FCU13:2674.5 HPFcal  Yes
0082Quartz FCU13:2774.5 HPFcal  Yes
0083Quartz FCU13:2974.5 HPFcal  Yes
0084Quartz FCU13:3174.5 HPFcal  Yes
0085Quartz FCU13:3374.5 HPFcal  Yes
0086Quartz FCU13:3574.5 HPFcal  Yes
0087Quartz FCU13:3674.5 HPFcal  Yes
0088Alpha Bright Cal13:3985.2 HPFcal  Yes
0089Alpha Bright Cal13:4185.2 HPFcal  Yes
0090Alpha Bright Cal13:4385.2 HPFcal  Yes
0091Alpha Bright Cal13:4485.2 HPFcal  Yes
0092LFC FCU13:47106.5 HPFcal  Yes
0093LFC FCU13:49106.5 HPFcal  Yes
0094LFC FCU13:52106.5 HPFcal  Yes
0095LFC FCU13:54106.5 HPFcal  Yes
0096LFC FCU13:56106.5 HPFcal  Yes
0097LFC FCU13:59106.5 HPFcal  Yes
0098LFC Cal14:02106.5 HPFcal  Yes
0099LFC Cal14:04106.5 HPFcal  Yes
0100Etalon Cal14:12159.8 HPFcal  Yes
0101Etalon Cal14:15159.8 HPFcal  Yes
0102Etalon Cal14:18159.8 HPFcal  Yes
0103Etalon Cal14:21159.8 HPFcal  Yes
0104UNe Slave Cal14:25426 HPFcal  Yes
0105UNe Slave Cal14:33426 HPFcal  Yes
0106UNe Slave Cal14:40426 HPFcal  Yes
0107UNe Slave Cal14:48426 HPFcal  Yes
0108UNe Slave Cal14:56426 HPFcal  Yes
0061LFC Cal21:50106.5 HPFcal  Yes
lrs20009900_01bias22:110 LRS2cal  Yes
virus0009900_01flat_Qth22:1220 VIRUScal  Yes
virus0009901_01bias22:130 VIRUScal  Yes
lrs20009901_01flat_ldls_long_B22:1420 LRS2cal  Yes
virus0009902_01dark22:1515 VIRUScal  Yes
lrs20009902_01Cd-A_B22:1629 LRS2cal  Yes
lrs20009903_01FeAr_R22:1815 LRS2cal  Yes
lrs20009904_01Hg_B22:1915 LRS2cal  Yes
0062Dark22:21319.5 HPFcal  Yes
0063Quartz FCU22:2874.5 HPFcal  Yes
0064Quartz FCU22:2974.5 HPFcal  Yes
0065Quartz FCU22:3174.5 HPFcal  Yes
0066Quartz FCU22:3374.5 HPFcal  Yes
0067Quartz FCU22:3574.5 HPFcal  Yes
0068Quartz FCU22:3674.5 HPFcal  Yes
0069Quartz FCU22:3874.5 HPFcal  Yes
0070Alpha Bright Cal22:4185.2 HPFcal  Yes
0071Alpha Bright Cal22:4285.2 HPFcal  Yes
0072Alpha Bright Cal22:4485.2 HPFcal  Yes
0073Alpha Bright Cal22:4685.2 HPFcal  Yes
0074LFC FCU22:49106.5 HPFcal  Yes
0075LFC FCU22:51106.5 HPFcal  Yes
0076LFC Cal22:54106.5 HPFcal  Yes
0077LFC Cal22:56106.5 HPFcal  Yes
0078Etalon Cal22:59159.8 HPFcal  Yes
0079UNe Slave Cal23:03426 HPFcal  Yes
lrs20000016_01flat_Qth_R23:0415 LRS2cal  Yes
lrs20000016_02flat_Qth_R23:0515 LRS2cal  Yes
lrs20000016_03flat_Qth_R23:0715 LRS2cal  Yes
lrs20000016_04flat_Qth_R23:0815 LRS2cal  Yes
lrs20000016_05flat_Qth_R23:0915 LRS2cal  Yes
lrs20000017_01flat_ldls_long_B23:1020 LRS2cal  Yes
0080UNe Slave Cal23:11426 HPFcal  Yes
lrs20000017_02flat_ldls_long_B23:1220 LRS2cal  Yes
lrs20000017_03flat_ldls_long_B23:1320 LRS2cal  Yes
lrs20000018_01Cd-A_B23:1429 LRS2cal  Yes
lrs20000018_02Cd-A_B23:1629 LRS2cal  Yes
lrs20000018_03Cd-A_B23:1729 LRS2cal  Yes
0081UNe Slave Cal23:18426 HPFcal  Yes
lrs20000019_01FeAr_R23:1915 LRS2cal  Yes
lrs20000019_02FeAr_R23:2015 LRS2cal  Yes
lrs20000019_03FeAr_R23:2115 LRS2cal  Yes
lrs20000020_01Hg_R23:2320 LRS2cal  Yes
lrs20000020_02Hg_R23:2420 LRS2cal  Yes
lrs20000020_03Hg_R23:2520 LRS2cal  Yes
0082UNe Slave Cal23:26426 HPFcal  Yes
lrs20000021_01Hg_B23:2715 LRS2cal  Yes
lrs20000021_02Hg_B23:2815 LRS2cal  Yes
lrs20000021_03Hg_B23:2915 LRS2cal  Yes
0083UNe Slave Cal23:34426 HPFcal  Yes
virus0000015_01flat_ldls_long23:3615 VIRUScal  Yes
virus0000015_02flat_ldls_long23:3715 VIRUScal  Yes
virus0000015_03flat_ldls_long23:3915 VIRUScal  Yes
virus0000016_01Cd-A23:4015 VIRUScal  Yes
virus0000016_02Cd-A23:4115 VIRUScal  Yes
0084UNe Slave Cal23:42426 HPFcal  Yes
virus0000016_03Cd-A23:4315 VIRUScal  Yes
virus0000017_01Hg23:4415 VIRUScal  Yes
virus0000017_02Hg23:4615 VIRUScal  Yes
virus0000017_03Hg23:4715 VIRUScal  Yes
lrs20000022_01dark23:49360 LRS2cal  Yes
virus0000018_01dark23:49360 VIRUScal  Yes
lrs20000022_02dark23:55360 LRS2cal  Yes
virus0000018_02dark23:55360 VIRUScal  Yes