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Civil Date
Ephemerides
2026-06-08SunsetSunriseMoon
Set12°18°18°12°RiseRiseSet
02:0502:5803:3410:1510:5111:4507:39-
Night Length6:41Sunset Temperature


On-Duty Personnel
Resident AstronomerTelescope OperatorOPS EngineerDay Ops
Tyler RyburnCassie Crowe--


Overlaps
TO OverlapRA Overlap
-Sergey Rostopchin

Other Personnelnone

Guestsnone


Open/Close Log
Open timeOutdoor tempTruss tempClose timeReasonTime open
01:5424.223.006:54dew point05:00
07:1018.219.211:02twilight03:52
Total Time Open8:52


      
ProgramNight PriorityScience
03:34Science
06:33Idle due to weather (dew point closure, poor transparency)
07:28Science
08:02Engineering (hpf)
Stack Data
StartStopee50ee80Hefi FocusMars FocusOutside TempDome TempTruss TempWind DirectionWind SpeedStack Type
02:3203:000.430.66-390-84322.323.123.112511First of Night
04:4104:480.731.08-130-31719.420.520.913516Post-Observing
04:4805:150.420.66-390+54118.819.820.312913Stack/Re-stack
10:5110:560.520.80-390+129417.918.618.719511Post-Observing


Problem Reports
PR NumberTimesTime LostDescriptionResponse
664905:15-06:2101:06HObs Scheduling Targets with Fewer than Requested Exposures but Executing All Requested Exposures
658110:56-11:0300:07Dome shutter stuck at NEAR_CLOSED. Rotating dome and trying again worked this time.


Ops Commentsnone


TO CommentsClear but fluctuating humidity and dew point. Closed briefly for Tracker supercooling.


RA Commentsnone


Observations
FileTarget/QIDExp StartExposureOverheadProgramInstrument ConfigurationData TypeIQDimmSkySBrtSkytransSNRCommentsCharge
lrs20000031_03dark00:05360 LRS2cal  Yes
virus0000028_03dark00:06360 VIRUScal  Yes
lrs20000001_01skyflat02:117 LRS2cal  Yes
lrs20000002_01skyflat02:1210 LRS2cal  Yes
lrs20000003_01skyflat02:1413 LRS2cal  Yes
lrs20000004_01skyflat02:1516 LRS2cal  Yes
lrs20000005_01skyflat02:1622 LRS2cal  Yes
lrs20000006_01skyflat02:1730 LRS2cal  Yes
virus0000001_01skyflat02:217 VIRUScal  Yes
virus0000002_01skyflat02:2210 VIRUScal  Yes
virus0000003_01skyflat02:2414 VIRUScal  Yes
virus0000004_01skyflat02:2518 VIRUScal  Yes
virus0000005_01skyflat02:2726 VIRUScal  Yes
lrs20000007_01WD1327-083_056_E03:061205.0LRS2spec1.480.8220.340.77  Yes
lrs20000008_01WD1327-083_066_E03:111203.0LRS2spec1.470.7120.440.96  Yes
virus0000006_01WD1327-083_052_E03:16603.0VIRUSspec1.420.8721.120.78  Yes
virus0000006_02WD1327-083_052_E03:18601.0VIRUSspec1.370.7921.220.88  Yes
virus0000006_03WD1327-083_052_E03:21602.0VIRUSspec1.370.9321.380.91  Yes
0001QID 81503:28969.15.8PSU26-2-015HPFsci1.520.7920.190.97259 Yes
virus0000007_01parallel03:282000 VIRUSsci  Yes
0002QID 81503:45969.11.8PSU26-2-015HPFsci1.540.8520.150.95233 Yes
0003LFC Cal04:03106.5 HPFcal  Yes
virus0000008_01parallel04:072000 VIRUSsci  Yes
lrs20000009_01QID 100004:0720005.7UT26-2-003LRS2-Rsci1.690.9820.821.01  Yes
0004LFC Cal04:08106.5 HPFcal  Yes
0005LFC Cal04:10106.5 HPFcal  Yes
0006LFC Cal04:12106.5 HPFcal  Yes
0007QID 94905:20873.35.4UT26-2-009HPFsci1.561.2520.261.0051 No
virus0000009_01parallel05:203616.6 VIRUSsci  Yes
0008QID 94905:35873.30.4UT26-2-009HPFsci1.390.9720.250.9964 No
0009QID 94905:51873.30.4UT26-2-009HPFsci1.300.8120.250.9854 No
0010QID 94906:06873.31.4UT26-2-009HPFsci1.320.9920.460.82 Hit end of track with about 5 min left in exposure due to software error RA didn't catchNo
0011HR7384_tell_std06:28330.26.5HPFtelluric1.280.7820.330.80  Yes
lrs20000010_01parallel06:38360 LRS2sci  Yes
virus0000010_01QID 98506:383605.0UT26-2-016VIRUSsci1.270.7422.100.87 abandoned due to weather closureNo
0012LFC Cal06:39106.5 HPFcal  Yes
0013LFC Cal06:41106.5 HPFcal  Yes
lrs20000010_02parallel06:45360 LRS2sci  Yes
virus0000010_02QID 98506:453601.0UT26-2-016VIRUSsci1.410.8122.100.85  No
0014QID 75007:32969.13.8UT26-2-007HPFsci1.481.2920.140.8951 P4
virus0000011_01parallel07:321000 VIRUSsci  Yes
0015QID 62807:56340.88.3PSU26-2-014HPFsci1.511.5120.310.91416 Yes
virus0000012_01parallel07:56382.3 VIRUSsci  Yes
0016LFC Cal08:04106.5 HPFcal  Yes
virus0000013_01parallel08:096963 VIRUSeng  Yes
0017HD_18514408:1074.57.8ENG26-2-006HPFeng2.011.4819.561.22488Forgot LFCs, aborting after 1 exposure and will restart exposure sequence after LFCsNo
0018LFC Cal08:12106.5 HPFcal  Yes
0019LFC Cal08:14106.5 HPFcal  Yes
0020LFC Cal08:16106.5 HPFcal  Yes
virus0000014_01parallel08:196963 VIRUSeng  Yes
0021HD_18514408:2074.58.8ENG26-2-006HPFeng2.031.4719.621.17524 Yes
0022HD_18514408:2274.50.8ENG26-2-006HPFeng1.931.4519.661.16545 Yes
0023HD_18514408:2374.50.8ENG26-2-006HPFeng1.841.5819.661.14559 Yes
0024HD_18514408:2574.5-0.2ENG26-2-006HPFeng1.791.3319.681.14565 Yes
0025HD_18514408:2774.50.8ENG26-2-006HPFeng1.821.2419.701.12574 Yes
0026HD_18514408:2974.50.8ENG26-2-006HPFeng1.861.4719.721.11557 Yes
0027HD_18514408:3074.50.8ENG26-2-006HPFeng1.861.1919.741.10573 Yes
0028HD_18514408:3274.5-0.2ENG26-2-006HPFeng1.851.2419.751.09570 Yes
0029HD_18514408:3474.50.8ENG26-2-006HPFeng1.841.4019.771.07586 Yes
0030HD_18514408:3674.50.8ENG26-2-006HPFeng1.941.3619.771.07573 Yes
0031HD_18514408:3874.50.8ENG26-2-006HPFeng1.931.2719.761.06595 Yes
0032HD_18514408:3974.50.8ENG26-2-006HPFeng1.921.2519.771.04583 Yes
0033HD_18514408:4174.5-0.2ENG26-2-006HPFeng1.861.1519.771.04604 Yes
0034HD_18514408:4374.50.8ENG26-2-006HPFeng1.811.4019.781.02616 Yes
0035HD_18514408:4574.50.8ENG26-2-006HPFeng1.711.2819.811.01643 Yes
0036HD_18514408:4674.50.8ENG26-2-006HPFeng1.790.9819.811.01625 Yes
0037HD_18514408:4874.5-0.2ENG26-2-006HPFeng1.731.2119.821.01652 Yes
0038HD_18514408:5074.50.8ENG26-2-006HPFeng1.631.4619.821.00677 Yes
0039HD_18514408:5274.50.8ENG26-2-006HPFeng1.671.2819.801.00677 Yes
0040HD_18514408:5474.50.8ENG26-2-006HPFeng1.631.0219.800.99671 Yes
0041HD_18514408:5574.50.8ENG26-2-006HPFeng1.651.2419.810.99689 Yes
0042HD_18514408:5774.5-0.2ENG26-2-006HPFeng1.691.1219.840.98668 Yes
0043HD_18514408:5974.50.8ENG26-2-006HPFeng1.661.1019.840.98697 Yes
0044HD_18514409:0174.50.8ENG26-2-006HPFeng1.731.0919.830.97667 Yes
0045HD_18514409:0274.50.8ENG26-2-006HPFeng1.721.1819.790.96681 Yes
0046HD_18514409:0474.5-0.2ENG26-2-006HPFeng1.681.1019.760.97698 Yes
0047HD_18514409:0674.50.8ENG26-2-006HPFeng1.681.0319.760.96690 Yes
0048HD_18514409:0874.50.8ENG26-2-006HPFeng1.661.1619.810.96686defocused by 0.2 to avoid saturationYes
0049HD_18514409:1074.50.8ENG26-2-006HPFeng2.061.1419.830.96565 Yes
0050HD_18514409:1174.50.8ENG26-2-006HPFeng2.081.0219.840.96565 Yes
0051HD_18514409:1374.5-0.2ENG26-2-006HPFeng2.101.0319.860.96569 Yes
0052HD_18514409:1574.50.8ENG26-2-006HPFeng2.071.0219.850.95571 Yes
0053HD_18514409:1774.50.8ENG26-2-006HPFeng2.131.0919.850.95572 Yes
0054HD_18514409:1874.50.8ENG26-2-006HPFeng2.151.0919.850.95549 Yes
0055HD_18514409:2074.5-0.2ENG26-2-006HPFeng2.181.2819.870.94567 Yes
0056HD_18514409:2274.50.8ENG26-2-006HPFeng2.211.4419.890.94549 Yes
0057HD_18514409:2474.50.8ENG26-2-006HPFeng2.161.1719.890.93555 Yes
0058HD_18514409:2674.50.8ENG26-2-006HPFeng2.271.2219.880.93526 Yes
0059HD_18514409:2774.50.8ENG26-2-006HPFeng2.431.3019.880.92497brought back to full focusYes
0060HD_18514409:2974.5-0.2ENG26-2-006HPFeng2.431.2019.890.90582 Yes
0061HD_18514409:3174.50.8ENG26-2-006HPFeng1.961.0519.910.89642 Yes
0062HD_18514409:3374.50.8ENG26-2-006HPFeng2.081.2019.950.88578 Yes
0063HD_18514409:3474.50.8ENG26-2-006HPFeng2.141.2319.960.88586 Yes
0064HD_18514409:3674.5-0.2ENG26-2-006HPFeng2.141.3819.970.87548 Yes
0065HD_18514409:3874.50.8ENG26-2-006HPFeng2.161.4119.950.87616 Yes
0066HD_18514409:4074.50.8ENG26-2-006HPFeng2.021.4019.960.86612 Yes
0067HD_18514409:4274.50.8ENG26-2-006HPFeng2.011.7119.990.85608 Yes
0068HD_18514409:4374.50.8ENG26-2-006HPFeng1.901.4319.990.85666 Yes
0069HD_18514409:4574.5-0.2ENG26-2-006HPFeng1.831.5119.990.84670 Yes
0070HD_18514409:4774.50.8ENG26-2-006HPFeng1.841.3920.010.83638 Yes
0071HD_18514409:4974.50.8ENG26-2-006HPFeng1.891.4619.990.83637 Yes
0072HD_18514409:5074.50.8ENG26-2-006HPFeng1.901.4219.980.82686 Yes
0073HD_18514409:5274.5-0.2ENG26-2-006HPFeng1.831.3419.990.82660 Yes
0074HD_18514409:5474.50.8ENG26-2-006HPFeng1.751.3320.040.81683 Yes
0075HD_18514409:5674.50.8ENG26-2-006HPFeng1.731.3820.050.80712 Yes
0076HD_18514409:5874.50.8ENG26-2-006HPFeng1.691.2220.050.79709 Yes
0077HD_18514409:5974.50.8ENG26-2-006HPFeng1.681.3020.060.78717 Yes
0078HD_18514410:0174.5-0.2ENG26-2-006HPFeng1.651.0920.070.77715 Yes
0079HD_18514410:0374.50.8ENG26-2-006HPFeng1.671.1920.060.76709 Yes
0080HD_18514410:0574.50.8ENG26-2-006HPFeng1.661.1320.090.75718 Yes
0081LFC Cal10:07106.5 HPFcal  Yes
0082LFC Cal10:09106.5 HPFcal  Yes
0083LFC Cal10:12106.5 HPFcal  Yes
0084LFC Cal10:16106.5 HPFcal  Yes
virus0000015_01parallel10:161000 VIRUSsci  Yes
lrs20000011_01QID 63110:1610009.3PSU26-2-004LRS2-Bsci1.691.1820.431.02  Yes
0085LFC Cal10:18106.5 HPFcal  Yes
0086LFC Cal10:20106.5 HPFcal  Yes
virus0000015_02parallel10:341000 VIRUSsci  Yes
lrs20000011_02QID 63110:3410001.3PSU26-2-004LRS2-Bsci1.791.3319.710.89  Yes
lrs20000012_01bias10:520 LRS2cal  Yes
virus0000016_01bias10:520 VIRUScal  Yes
virus0000017_01Cd-A10:5615 ENG26-2-002VIRUScal  Yes
virus0000018_01Hg10:5815 ENG26-2-002VIRUScal  Yes
0087Dark11:06319.5 HPFcal  Yes
0088Quartz FCU11:1774.5 HPFcal  Yes
0089Quartz FCU11:1974.5 HPFcal  Yes
0090Quartz FCU11:2174.5 HPFcal  Yes
0091Quartz FCU11:2374.5 HPFcal  Yes
0092Quartz FCU11:2474.5 HPFcal  Yes
0093Quartz FCU11:2674.5 HPFcal  Yes
0094Quartz FCU11:2874.5 HPFcal  Yes
0095Alpha Bright Cal11:3085.2 HPFcal  Yes
0096Alpha Bright Cal11:3285.2 HPFcal  Yes
0097Alpha Bright Cal11:3485.2 HPFcal  Yes
0098Alpha Bright Cal11:3685.2 HPFcal  Yes
0099LFC FCU11:39106.5 HPFcal  Yes
0100LFC FCU11:41106.5 HPFcal  Yes
0101LFC FCU11:43106.5 HPFcal  Yes
0102LFC FCU11:46106.5 HPFcal  Yes
0103LFC FCU11:48106.5 HPFcal  Yes
0104LFC FCU11:50106.5 HPFcal  Yes
0105LFC Cal11:53106.5 HPFcal  Yes
0106LFC Cal11:56106.5 HPFcal  Yes
0107Etalon Cal12:04159.8 HPFcal  Yes
0108Etalon Cal12:07159.8 HPFcal  Yes
0109Etalon Cal12:10159.8 HPFcal  Yes
0110Etalon Cal12:13159.8 HPFcal  Yes
0111UNe Slave Cal12:17426 HPFcal  Yes
0112UNe Slave Cal12:24426 HPFcal  Yes
0113UNe Slave Cal12:32426 HPFcal  Yes
0114UNe Slave Cal12:40426 HPFcal  Yes
0115UNe Slave Cal12:48426 HPFcal  Yes
0116UNe Slave Cal12:56426 HPFcal  Yes
virus0008103_01dark20:5520 VIRUScal  Yes
virus0008103_02dark20:5720 VIRUScal  Yes
virus0008104_01flat_ldls_long21:0015 VIRUScal  Yes
virus0008104_02flat_ldls_long21:0215 VIRUScal  Yes
virus0008105_01bias21:030 VIRUScal  Yes
virus0008105_02bias21:040 VIRUScal  Yes
0165LFC Cal21:50106.5 HPFcal  Yes
lrs20009918_01bias22:000 LRS2cal  Yes
virus0009900_01flat_Qth22:0120 VIRUScal  Yes
virus0009901_01bias22:020 VIRUScal  Yes
lrs20009919_01flat_ldls_long_B22:0320 LRS2cal  Yes
virus0009902_01dark22:0515 VIRUScal  Yes
lrs20009920_01Cd-A_B22:0529 LRS2cal  Yes
lrs20009921_01FeAr_R22:0715 LRS2cal  Yes
lrs20009922_01Hg_B22:0815 LRS2cal  Yes
0166Dark22:15319.5 HPFcal  Yes
0167Quartz FCU22:2174.5 HPFcal  Yes
0168Quartz FCU22:2374.5 HPFcal  Yes
0169Quartz FCU22:2574.5 HPFcal  Yes
0170Quartz FCU22:2774.5 HPFcal  Yes
0171Quartz FCU22:2874.5 HPFcal  Yes
0172Quartz FCU22:3074.5 HPFcal  Yes
0173Quartz FCU22:3274.5 HPFcal  Yes
0174Alpha Bright Cal22:3485.2 HPFcal  Yes
0175Alpha Bright Cal22:3685.2 HPFcal  Yes
0176Alpha Bright Cal22:3885.2 HPFcal  Yes
0177Alpha Bright Cal22:4085.2 HPFcal  Yes
0178LFC FCU22:43106.5 HPFcal  Yes
0179LFC FCU22:45106.5 HPFcal  Yes
0180LFC Cal22:48106.5 HPFcal  Yes
0181LFC Cal22:50106.5 HPFcal  Yes
0182Etalon Cal22:53159.8 HPFcal  Yes
0183UNe Slave Cal22:56426 HPFcal  Yes
lrs20000024_01flat_Qth_R22:5815 LRS2cal  Yes
lrs20000024_02flat_Qth_R23:0015 LRS2cal  Yes
lrs20000024_03flat_Qth_R23:0115 LRS2cal  Yes
lrs20000024_04flat_Qth_R23:0215 LRS2cal  Yes
lrs20000024_05flat_Qth_R23:0315 LRS2cal  Yes
0184UNe Slave Cal23:04426 HPFcal  Yes
lrs20000025_01flat_ldls_long_B23:0520 LRS2cal  Yes
lrs20000025_02flat_ldls_long_B23:0620 LRS2cal  Yes
lrs20000025_03flat_ldls_long_B23:0720 LRS2cal  Yes
lrs20000026_01Cd-A_B23:0929 LRS2cal  Yes
lrs20000026_02Cd-A_B23:1029 LRS2cal  Yes
0185UNe Slave Cal23:12426 HPFcal  Yes
lrs20000026_03Cd-A_B23:1229 LRS2cal  Yes
lrs20000027_01FeAr_R23:1315 LRS2cal  Yes
lrs20000027_02FeAr_R23:1415 LRS2cal  Yes
lrs20000027_03FeAr_R23:1615 LRS2cal  Yes
lrs20000028_01Hg_R23:1720 LRS2cal  Yes
lrs20000028_02Hg_R23:1820 LRS2cal  Yes
lrs20000028_03Hg_R23:1920 LRS2cal  Yes
0186UNe Slave Cal23:20426 HPFcal  Yes
lrs20000029_01Hg_B23:2115 LRS2cal  Yes
lrs20000029_02Hg_B23:2215 LRS2cal  Yes
lrs20000029_03Hg_B23:2315 LRS2cal  Yes
0187UNe Slave Cal23:28426 HPFcal  Yes
virus0000024_01flat_ldls_long23:3015 VIRUScal  Yes
virus0000024_02flat_ldls_long23:3115 VIRUScal  Yes
virus0000024_03flat_ldls_long23:3315 VIRUScal  Yes
virus0000025_01Cd-A23:3415 VIRUScal  Yes
0188UNe Slave Cal23:35426 HPFcal  Yes
virus0000025_02Cd-A23:3515 VIRUScal  Yes
virus0000025_03Cd-A23:3715 VIRUScal  Yes
virus0000026_01Hg23:3815 VIRUScal  Yes
virus0000026_02Hg23:4015 VIRUScal  Yes
virus0000026_03Hg23:4115 VIRUScal  Yes
lrs20000030_01bias23:420 LRS2cal  Yes
virus0000027_01bias23:420 VIRUScal  Yes
lrs20000030_02bias23:430 LRS2cal  Yes
virus0000027_02bias23:430 VIRUScal  Yes
lrs20000030_03bias23:440 LRS2cal  Yes
virus0000027_03bias23:440 VIRUScal  Yes
lrs20000030_04bias23:450 LRS2cal  Yes
virus0000027_04bias23:450 VIRUScal  Yes
lrs20000030_05bias23:460 LRS2cal  Yes
lrs20000030_06bias23:460 LRS2cal  Yes
virus0000027_05bias23:460 VIRUScal  Yes
virus0000027_06bias23:470 VIRUScal  Yes
lrs20000030_07bias23:470 LRS2cal  Yes
virus0000027_07bias23:480 VIRUScal  Yes
lrs20000030_08bias23:480 LRS2cal  Yes
virus0000027_08bias23:480 VIRUScal  Yes
lrs20000030_09bias23:490 LRS2cal  Yes
virus0000027_09bias23:490 VIRUScal  Yes
lrs20000030_10bias23:500 LRS2cal  Yes
virus0000027_10bias23:500 VIRUScal  Yes
lrs20000030_11bias23:510 LRS2cal  Yes
virus0000027_11bias23:510 VIRUScal  Yes
lrs20000031_01dark23:52360 LRS2cal  Yes
virus0000028_01dark23:52360 VIRUScal  Yes
lrs20000031_02dark23:58360 LRS2cal  Yes
virus0000028_02dark23:59360 VIRUScal  Yes