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Civil Date
Ephemerides
2026-08-09SunsetSunriseMoon
Set12°18°18°12°RiseRiseSet
01:5102:3903:1110:5111:2312:1209:49-
Night Length7:40Sunset Temperature


On-Duty Personnel
Resident AstronomerTelescope OperatorOPS EngineerDay Ops
Sergey RostopchinAmy Westfall--


Overlapsnone

Other Personnelnone

Guestsnone


Open/Close Log
Open timeOutdoor tempTruss tempClose timeReasonTime open
01:4524.422.611:34twilight09:49
Total Time Open9:49


      
ProgramNight PriorityScience
03:11Science
06:52Idle due to weather (clouds)
07:52Science
08:43Idle due to weather (clouds)
10:05Science
Stack Data
StartStopee50ee80Hefi FocusMars FocusOutside TempDome TempTruss TempWind DirectionWind SpeedStack Type
02:1703:520.360.57-363-46721.522.522.712212First of Night
07:2607:510.420.63-323+149919.320.120.217311Stack/Re-stack
11:2811:330.661.01-470+144918.118.818.918716Post-Observing


Problem Reports
PR NumberTimesTime LostDescriptionResponse
670402:45-03:3000:45Many sensors around 9:4 (39) suddenly began misbehaving, then spontaneously stopped


Ops Commentsnone


TO CommentsPartly cloudy during latter part of night.


RA Commentsnone


Observations
FileTarget/QIDExp StartExposureOverheadProgramInstrument ConfigurationData TypeIQDimmSkySBrtSkytransSNRCommentsCharge
0001Quartz FCU00:0174.5 HPFcal  Yes
0002Quartz FCU00:0274.5 HPFcal  Yes
0003Quartz FCU00:0474.5 HPFcal  Yes
0004Quartz FCU00:0674.5 HPFcal  Yes
0005Alpha Bright Cal00:0885.2 HPFcal  Yes
0006Alpha Bright Cal00:1085.2 HPFcal  Yes
0007Alpha Bright Cal00:1285.2 HPFcal  Yes
0008Alpha Bright Cal00:1485.2 HPFcal  Yes
0009LFC FCU00:17106.5 HPFcal  Yes
0010LFC FCU00:19106.5 HPFcal  Yes
0011LFC Cal00:22106.5 HPFcal  Yes
0012LFC Cal00:24106.5 HPFcal  Yes
0013Etalon Cal00:27159.8 HPFcal  Yes
0014UNe Slave Cal00:30426 HPFcal  Yes
lrs20000001_01flat_Qth_R00:3115 LRS2cal  Yes
lrs20000001_02flat_Qth_R00:3315 LRS2cal  Yes
lrs20000001_03flat_Qth_R00:3415 LRS2cal  Yes
lrs20000001_04flat_Qth_R00:3515 LRS2cal  Yes
lrs20000001_05flat_Qth_R00:3615 LRS2cal  Yes
0015UNe Slave Cal00:38426 HPFcal  Yes
lrs20000002_01flat_ldls_long_B00:3820 LRS2cal  Yes
lrs20000002_02flat_ldls_long_B00:3920 LRS2cal  Yes
lrs20000002_03flat_ldls_long_B00:4020 LRS2cal  Yes
lrs20000003_01Cd-A_B00:4229 LRS2cal  Yes
lrs20000003_02Cd-A_B00:4329 LRS2cal  Yes
lrs20000003_03Cd-A_B00:4529 LRS2cal  Yes
0016UNe Slave Cal00:46426 HPFcal  Yes
lrs20000004_01FeAr_R00:4615 LRS2cal  Yes
lrs20000004_02FeAr_R00:4715 LRS2cal  Yes
lrs20000004_03FeAr_R00:4915 LRS2cal  Yes
lrs20000005_01Hg_R00:5020 LRS2cal  Yes
lrs20000005_02Hg_R00:5120 LRS2cal  Yes
lrs20000005_03Hg_R00:5220 LRS2cal  Yes
0017UNe Slave Cal00:54426 HPFcal  Yes
lrs20000006_01Hg_B00:5415 LRS2cal  Yes
lrs20000006_02Hg_B00:5515 LRS2cal  Yes
lrs20000006_03Hg_B00:5615 LRS2cal  Yes
0018UNe Slave Cal01:01426 HPFcal  Yes
virus0000001_01flat_ldls_long01:0315 VIRUScal  Yes
virus0000001_02flat_ldls_long01:0515 VIRUScal  Yes
virus0000001_03flat_ldls_long01:0615 VIRUScal  Yes
virus0000002_01Cd-A01:0715 VIRUScal  Yes
0019UNe Slave Cal01:09426 HPFcal  Yes
virus0000002_02Cd-A01:0915 VIRUScal  Yes
virus0000002_03Cd-A01:1015 VIRUScal  Yes
virus0000003_01Hg01:1215 VIRUScal  Yes
virus0000003_02Hg01:1315 VIRUScal  Yes
virus0000003_03Hg01:1515 VIRUScal  Yes
lrs20000007_01dark01:16360 LRS2cal  Yes
virus0000004_01dark01:16360 VIRUScal  Yes
lrs20000007_02dark01:23360 LRS2cal  Yes
virus0000004_02dark01:23360 VIRUScal  Yes
lrs20000007_03dark01:30360 LRS2cal  Yes
virus0000004_03dark01:30360 VIRUScal  Yes
lrs20000008_01skyflat01:567 LRS2cal  Yes
lrs20000009_01skyflat01:5710 LRS2cal  Yes
lrs20000010_01skyflat01:5813 LRS2cal  Yes
lrs20000011_01skyflat02:0016 LRS2cal  Yes
lrs20000012_01skyflat02:0122 LRS2cal  Yes
lrs20000013_01skyflat02:0230 LRS2cal  Yes
virus0000005_01skyflat02:057 VIRUScal  Yes
virus0000006_01skyflat02:0710 VIRUScal  Yes
virus0000007_01skyflat02:0814 VIRUScal  Yes
virus0000008_01skyflat02:0918 VIRUScal  Yes
virus0000009_01skyflat02:1126 VIRUScal  Yes
lrs20000014_01bias02:120 LRS2cal  Yes
virus0000010_01bias02:120 VIRUScal  Yes
lrs20000014_02bias02:130 LRS2cal  Yes
virus0000010_02bias02:130 VIRUScal  Yes
lrs20000014_03bias02:140 LRS2cal  Yes
virus0000010_03bias02:140 VIRUScal  Yes
lrs20000014_04bias02:150 LRS2cal  Yes
virus0000010_04bias02:150 VIRUScal  Yes
lrs20000014_05bias02:160 LRS2cal  Yes
lrs20000014_06bias02:160 LRS2cal  Yes
virus0000010_05bias02:160 VIRUScal  Yes
lrs20000014_07bias02:170 LRS2cal  Yes
virus0000010_06bias02:170 VIRUScal  Yes
virus0000010_07bias02:180 VIRUScal  Yes
lrs20000014_08bias02:180 LRS2cal  Yes
virus0000010_08bias02:180 VIRUScal  Yes
lrs20000014_09bias02:190 LRS2cal  Yes
virus0000010_09bias02:190 VIRUScal  Yes
lrs20000014_10bias02:200 LRS2cal  Yes
virus0000010_10bias02:200 VIRUScal  Yes
lrs20000014_11bias02:210 LRS2cal  Yes
virus0000010_11bias02:210 VIRUScal  Yes
0020LFC Cal02:35106.5 HPFcal  Yes
0021LFC Cal02:37106.5 HPFcal  Yes
0022LFC Cal02:39106.5 HPFcal  Yes
lrs20000015_01HD180609_056_E03:57305.5LRS2spec2.171.8022.090.81  Yes
lrs20000016_01HD180609_066_E04:01302.5LRS2spec2.281.5221.000.93  Yes
0023HR7611_tell_std04:09330.27.5HPFtelluric2.121.3420.290.83  Yes
0024LFC Cal04:16106.5 HPFcal  Yes
0025LFC Cal04:18106.5 HPFcal  Yes
0026LFC Cal04:20106.5 HPFcal  Yes
virus0000011_01parallel04:236963 VIRUSsci  Yes
0027QID 92204:2474.59.8PSU26-3-005HPFsci1.871.7520.090.90553 Yes
0028QID 92204:2574.50.8PSU26-3-005HPFsci1.872.0220.120.89534 Yes
0029QID 92204:2774.5-0.2PSU26-3-005HPFsci1.841.3420.150.90597 Yes
0030QID 92204:2974.50.8PSU26-3-005HPFsci1.881.3420.140.88561 Yes
0031QID 92204:3174.50.8PSU26-3-005HPFsci1.921.2920.130.88522 Yes
0032QID 92204:3274.50.8PSU26-3-005HPFsci1.991.3320.170.86527 Yes
0033QID 92204:3474.5-0.2PSU26-3-005HPFsci1.961.3920.190.84534 Yes
0034QID 92204:3674.50.8PSU26-3-005HPFsci2.081.3820.180.82521 Yes
0035QID 92204:3874.50.8PSU26-3-005HPFsci2.091.3120.190.82521 Yes
0036QID 92204:4074.50.8PSU26-3-005HPFsci1.911.2320.220.82566 Yes
0037QID 92204:4174.50.8PSU26-3-005HPFsci1.941.2320.250.83567 Yes
0038QID 92204:4374.5-0.2PSU26-3-005HPFsci2.171.3420.250.82490 Yes
0039QID 92204:4574.50.8PSU26-3-005HPFsci1.941.4220.250.81560 Yes
0040QID 92204:4774.50.8PSU26-3-005HPFsci1.881.1820.250.81577 Yes
0041QID 92204:4874.50.8PSU26-3-005HPFsci1.871.0920.270.81578 Yes
0042QID 92204:5074.5-0.2PSU26-3-005HPFsci1.861.3620.250.81571 Yes
0043QID 92204:5274.50.8PSU26-3-005HPFsci1.871.4420.270.81606 Yes
0044QID 92204:5474.50.8PSU26-3-005HPFsci1.901.2120.310.81596 Yes
0045QID 92204:5574.50.8PSU26-3-005HPFsci1.931.1220.350.80561 Yes
0046QID 92204:5774.50.8PSU26-3-005HPFsci1.981.0720.390.80551 Yes
0047QID 92204:5974.5-0.2PSU26-3-005HPFsci1.991.1620.410.81579 Yes
0048QID 92205:0174.50.8PSU26-3-005HPFsci1.901.1520.460.82589 Yes
0049QID 92205:0374.50.8PSU26-3-005HPFsci1.881.3120.470.81604 Yes
0050QID 92205:0474.50.8PSU26-3-005HPFsci1.921.3820.430.82603 Yes
0051QID 92205:0674.5-0.2PSU26-3-005HPFsci1.981.4220.360.83625 Yes
0052QID 92205:0874.50.8PSU26-3-005HPFsci1.931.3520.320.83619 Yes
0053QID 92205:1074.50.8PSU26-3-005HPFsci1.851.3520.240.84650 Yes
0054QID 92205:1274.50.8PSU26-3-005HPFsci1.861.2320.250.84624 Yes
0055QID 92205:1474.50.8PSU26-3-005HPFsci1.921.2220.250.84598 Yes
0056QID 92205:1674.50.8PSU26-3-005HPFsci1.971.6220.270.85631 Yes
0057QID 92205:1774.50.8PSU26-3-005HPFsci1.981.1220.300.85618 Yes
0058QID 92205:1974.5-0.2PSU26-3-005HPFsci1.941.0520.320.84631 Yes
0059QID 92205:2174.50.8PSU26-3-005HPFsci1.921.1920.310.84624 Yes
0060QID 92205:2374.50.8PSU26-3-005HPFsci1.861.1620.320.85647 Yes
0061QID 92205:2474.50.8PSU26-3-005HPFsci1.901.1020.330.84635 Yes
0062QID 92205:2674.5-0.2PSU26-3-005HPFsci1.901.0420.310.83612 Yes
0063QID 92205:2874.50.8PSU26-3-005HPFsci1.961.3020.310.85598 Yes
0064QID 92205:3074.50.8PSU26-3-005HPFsci1.961.1220.320.83595 Yes
0065QID 92205:3274.50.8PSU26-3-005HPFsci1.891.1720.320.83622 Yes
0066QID 92205:3374.50.8PSU26-3-005HPFsci1.891.1320.310.82616 Yes
0067QID 92205:3574.5-0.2PSU26-3-005HPFsci1.851.2420.320.82634 Yes
0068QID 92205:3774.50.8PSU26-3-005HPFsci1.991.0420.330.80580 Yes
0069QID 92205:3974.50.8PSU26-3-005HPFsci1.901.0020.420.81582 Yes
0070QID 92205:4174.50.8PSU26-3-005HPFsci1.891.0320.440.79584 Yes
0071QID 92205:4274.50.8PSU26-3-005HPFsci1.851.0420.450.77587 Yes
0072QID 92205:4474.5-0.2PSU26-3-005HPFsci1.830.9620.470.76582 Yes
0073QID 92205:4674.50.8PSU26-3-005HPFsci1.890.9520.450.77564 Yes
0074QID 92205:4874.50.8PSU26-3-005HPFsci1.900.9620.470.74532 Yes
0075QID 92205:5074.50.8PSU26-3-005HPFsci1.970.9520.500.74542 Yes
0076QID 92205:5174.50.8PSU26-3-005HPFsci1.940.9720.500.72545 Yes
0077QID 92205:5374.5-0.2PSU26-3-005HPFsci1.961.1020.530.71534 Yes
0078QID 92205:5574.50.8PSU26-3-005HPFsci1.940.9420.560.70556 Yes
0079QID 92205:5774.50.8PSU26-3-005HPFsci1.920.9620.590.70546 Yes
0080QID 92205:5874.50.8PSU26-3-005HPFsci1.920.9920.610.70546 Yes
0081QID 92206:0074.5-0.2PSU26-3-005HPFsci1.940.9820.610.69525 Yes
0082QID 92206:0274.50.8PSU26-3-005HPFsci1.830.9720.600.66545 Yes
0083QID 92206:0474.50.8PSU26-3-005HPFsci1.830.8920.600.66538 Yes
0084QID 92206:0574.50.8PSU26-3-005HPFsci1.780.9920.600.65563 Yes
0085QID 92206:0774.50.8PSU26-3-005HPFsci1.780.8220.620.64540 Yes
0086QID 92206:0974.56.8PSU26-3-005HPFsci1.770.8520.640.63530 Yes
0087LFC Cal06:12106.5 HPFcal  Yes
0088LFC Cal06:14106.5 HPFcal  Yes
0089LFC Cal06:16106.5 HPFcal  Yes
virus0000012_01parallel06:221800 VIRUSsci  Yes
lrs20000017_01QID 18006:2218005.0PSU26-3-008LRS2-Rsci1.810.9020.750.93  Yes
0090LFC Cal06:23106.5 HPFcal  Yes
0091LFC Cal06:25106.5 HPFcal  Yes
0092LFC Cal06:27106.5 HPFcal  Yes
0093QID 10006:59820.17.3UT26-3-004HPFsci1.7220.140.50101clouds, abortedNo
virus0000013_01parallel06:591701.8 VIRUSsci  Yes
0094LFC Cal07:20106.5 HPFcal  Yes
virus0000014_01parallel07:20300 VIRUSsci  Yes
lrs20000018_01QID 3407:203007.0PSU26-3-002LRS2-Rsci2.2221.090.81 cloudsNo
0095LFC Cal07:23106.5 HPFcal  Yes
0096LFC Cal07:58106.5 HPFcal  Yes
lrs20000019_01parallel07:58360 LRS2sci  Yes
virus0000015_01QID 82807:583606.0UT26-3-014VIRUSsci2.531.6621.780.81 variable seeingYes
0097LFC Cal08:00106.5 HPFcal  Yes
lrs20000019_02parallel08:05360 LRS2sci  Yes
virus0000015_02QID 82808:053601.0UT26-3-014VIRUSsci2.331.6121.750.83  Yes
lrs20000019_03parallel08:12360 LRS2sci  Yes
virus0000015_03QID 82808:123601.0UT26-3-014VIRUSsci2.111.5721.730.88  Yes
0098LFC Cal08:22106.5 HPFcal  Yes
lrs20000020_01parallel08:22360 LRS2sci  Yes
virus0000016_01QID 84508:223604.0UT26-3-014VIRUSsci2.181.2921.800.83  Yes
0099LFC Cal08:25106.5 HPFcal  Yes
lrs20000020_02parallel08:29360 LRS2sci  Yes
virus0000016_02QID 84508:303602.0UT26-3-014VIRUSsci2.061.2521.740.85  Yes
lrs20000020_03parallel08:37360 LRS2sci  Yes
virus0000016_03QID 84508:373601.0UT26-3-014VIRUSsci1.741.6921.660.89  Yes
0100LFC Cal08:50106.5 HPFcal  Yes
virus0000017_01parallel08:501800 VIRUSsci  Yes
lrs20000021_01QID 14608:508407.0UT26-3-013LRS2-Bsci1.891.4322.010.60 clouds, abortedNo
0101LFC Cal08:53106.5 HPFcal  Yes
0102LFC Cal08:55106.5 HPFcal  Yes
virus0000018_01dark09:08360 ENG26-3-004VIRUScal  Yes
virus0000018_02dark09:15360 ENG26-3-004VIRUScal  Yes
virus0000018_03dark09:21360 ENG26-3-004VIRUScal  Yes
virus0000018_04dark09:28360 ENG26-3-004VIRUScal  Yes
virus0000018_05dark09:35360 ENG26-3-004VIRUScal  Yes
virus0000018_06dark09:42360 ENG26-3-004VIRUScal  Yes
virus0000018_07dark09:49360 ENG26-3-004VIRUScal  Yes
virus0000018_08dark09:56360 ENG26-3-004VIRUScal  Yes
virus0000019_01parallel10:102041.5 VIRUSsci  Yes
0103QID 78410:11649.65.2UT26-3-008HPFsci1.611.3120.170.74320 Yes
0104QID 78410:22649.61.2UT26-3-008HPFsci1.580.9820.180.76236 Yes
0105QID 78410:34649.61.2UT26-3-008HPFsci1.481.1120.160.79310 Yes
0106LFC Cal10:46106.5 HPFcal  Yes
virus0000020_01parallel10:521945.7 VIRUSsci  Yes
0107QID 79510:53617.77.7UT26-3-001HPFsci1.451.0120.540.92160 P4
0108QID 79511:04617.70.7UT26-3-001HPFsci1.551.0020.350.93168 P4
0109QID 79511:15617.70.7UT26-3-001HPFsci1.621.0719.420.94170 P4
lrs20000022_01bias11:270 LRS2cal  Yes
virus0000021_01bias11:280 VIRUScal  Yes
virus0000022_01Cd-A11:3215 ENG26-3-002VIRUScal  Yes
virus0000023_01Hg11:3315 ENG26-3-002VIRUScal  Yes
0110Dark11:40319.5 HPFcal  Yes
0111Quartz FCU11:5274.5 HPFcal  Yes
0112Quartz FCU11:5374.5 HPFcal  Yes
0113Quartz FCU11:5574.5 HPFcal  Yes
0114Quartz FCU11:5774.5 HPFcal  Yes
0115Quartz FCU11:5974.5 HPFcal  Yes
0116Quartz FCU12:0074.5 HPFcal  Yes
0117Quartz FCU12:0274.5 HPFcal  Yes
0118Alpha Bright Cal12:0585.2 HPFcal  Yes
0119Alpha Bright Cal12:0785.2 HPFcal  Yes
0120Alpha Bright Cal12:0885.2 HPFcal  Yes
0121Alpha Bright Cal12:1085.2 HPFcal  Yes
0122LFC FCU12:13106.5 HPFcal  Yes
0123LFC FCU12:15106.5 HPFcal  Yes
0124LFC FCU12:18106.5 HPFcal  Yes
0125LFC FCU12:20106.5 HPFcal  Yes
0126LFC FCU12:22106.5 HPFcal  Yes
0127LFC FCU12:25106.5 HPFcal  Yes
0128LFC Cal12:28106.5 HPFcal  Yes
0129LFC Cal12:30106.5 HPFcal  Yes
0130Etalon Cal12:38159.8 HPFcal  Yes
0131Etalon Cal12:41159.8 HPFcal  Yes
0132Etalon Cal12:44159.8 HPFcal  Yes
0133Etalon Cal12:47159.8 HPFcal  Yes
0134UNe Slave Cal12:51426 HPFcal  Yes
0135UNe Slave Cal12:59426 HPFcal  Yes
0136UNe Slave Cal13:06426 HPFcal  Yes
0137UNe Slave Cal13:14426 HPFcal  Yes
0138UNe Slave Cal13:22426 HPFcal  Yes
0139UNe Slave Cal13:30426 HPFcal  Yes
0102LFC Cal23:33106.5 HPFcal  Yes
lrs20009918_01bias23:370 LRS2cal  Yes
virus0009920_01flat_Qth23:3820 VIRUScal  Yes
virus0009921_01bias23:390 VIRUScal  Yes
lrs20009919_01flat_ldls_long_B23:4020 LRS2cal  Yes
virus0009922_01dark23:4115 VIRUScal  Yes
lrs20009920_01Cd-A_B23:4229 LRS2cal  Yes
lrs20009921_01FeAr_R23:4415 LRS2cal  Yes
lrs20009922_01Hg_B23:4515 LRS2cal  Yes
0103Dark23:49319.5 HPFcal  Yes
0104Quartz FCU23:5574.5 HPFcal  Yes
0105Quartz FCU23:5774.5 HPFcal  Yes
0106Quartz FCU23:5974.5 HPFcal  Yes