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Civil Date
Ephemerides
2026-06-16SunsetSunriseMoon
Set12°18°18°12°RiseRiseSet
02:0803:0203:3810:1510:5111:46-04:00
Night Length6:37Sunset Temperature


On-Duty Personnel
Resident AstronomerTelescope OperatorOPS EngineerDay Ops
Jose FernandezAiden Dillard--


Overlaps
TO OverlapRA Overlap
Cassie CroweZach Vanderbosch

Other PersonnelJoshua Scally

Guestsnone


Open/Close Log
Open timeOutdoor tempTruss tempClose timeReasonTime open
01:5521.619.809:35poor seeing07:40
10:4922.020.711:20twilight00:31
Total Time Open8:11


      
ProgramNight PriorityScience
03:38Science
08:54Idle due to weather (poor IQ)
09:04Science
09:15Idle due to weather (poor IQ)
Stack Data
StartStopee50ee80Hefi FocusMars FocusOutside TempDome TempTruss TempWind DirectionWind SpeedStack Type
02:3603:070.520.82-400-43421.819.919.816110First of Night
08:3308:540.460.69-410+1521.821.020.822716Stack/Re-stack
↪ CommentsQuick stack. Affected by poor dome seeing.
10:5411:200.480.71-390+110921.820.720.82308End of Night
↪ CommentsEnd of night stack for DMI piston spot check


Problem Reports
PR NumberTimesTime LostDescriptionResponse
667706:41-06:5000:09 HObS fails when no magnitude for guider filter not usedattempted running the observation a second time, got the same error. moved to observe spec standard for LRS2. Time lost includes looking for a suitable target


Ops Commentsnone


TO CommentsPoor seeing throughout the night but some science was obtained. Performed DMI piston spot check in the morning. The shutter did at one point not register fully closing in TCS, however, after reopening for the end of night stack, it then successfully fully closed.


RA Commentsnone


Observations
FileTarget/QIDExp StartExposureOverheadProgramInstrument ConfigurationData TypeIQDimmSkySBrtSkytransSNRCommentsCharge
virus0000010_02Hg00:0115 VIRUScal  Yes
virus0000010_03Hg00:0215 VIRUScal  Yes
lrs20000001_01bias00:030 LRS2cal  Yes
virus0000001_01bias00:030 VIRUScal  Yes
lrs20000001_02bias00:040 LRS2cal  Yes
virus0000001_02bias00:040 VIRUScal  Yes
lrs20000001_03bias00:050 LRS2cal  Yes
virus0000001_03bias00:050 VIRUScal  Yes
lrs20000001_04bias00:060 LRS2cal  Yes
virus0000001_04bias00:060 VIRUScal  Yes
lrs20000001_05bias00:070 LRS2cal  Yes
lrs20000001_06bias00:070 LRS2cal  Yes
virus0000001_05bias00:070 VIRUScal  Yes
virus0000001_06bias00:080 VIRUScal  Yes
lrs20000001_07bias00:080 LRS2cal  Yes
virus0000001_07bias00:090 VIRUScal  Yes
lrs20000001_08bias00:090 LRS2cal  Yes
virus0000001_08bias00:090 VIRUScal  Yes
lrs20000001_09bias00:100 LRS2cal  Yes
virus0000001_09bias00:100 VIRUScal  Yes
lrs20000001_10bias00:110 LRS2cal  Yes
virus0000001_10bias00:110 VIRUScal  Yes
lrs20000001_11bias00:120 LRS2cal  Yes
virus0000001_11bias00:120 VIRUScal  Yes
lrs20000002_01dark00:13360 LRS2cal  Yes
virus0000002_01dark00:13360 VIRUScal  Yes
lrs20000002_02dark00:19360 LRS2cal  Yes
virus0000002_02dark00:20360 VIRUScal  Yes
lrs20000002_03dark00:26360 LRS2cal  Yes
virus0000002_03dark00:27360 VIRUScal  Yes
lrs20000003_01skyflat02:147 LRS2cal  Yes
lrs20000004_01skyflat02:1510 LRS2cal  Yes
lrs20000005_01skyflat02:1613 LRS2cal  Yes
lrs20000006_01skyflat02:1816 LRS2cal  Yes
lrs20000007_01skyflat02:1922 LRS2cal  Yes
lrs20000008_01skyflat02:2030 LRS2cal  Yes
virus0000003_01skyflat02:247 VIRUScal  Yes
virus0000004_01skyflat02:2510 VIRUScal  Yes
virus0000005_01skyflat02:2714 VIRUScal  Yes
virus0000006_01skyflat02:2818 VIRUScal  Yes
virus0000007_01skyflat02:3026 VIRUScal  Yes
virus0000008_01P330E_034_E03:12605.0VIRUSspec1.671.0620.880.76 interrupted observation by mistakeNo
virus0000008_02P330E_034_E03:14601.0VIRUSspec1.541.1821.020.72 interrupted observation by mistakeNo
virus0000009_01WD1657+343_034_E03:3312018.0VIRUSspec1.581.2122.190.69  Yes
virus0000009_02WD1657+343_034_E03:361201.0VIRUSspec1.601.1322.190.66  Yes
virus0000009_03WD1657+343_034_E03:391201.0VIRUSspec1.681.0422.210.66  Yes
virus0000010_01parallel03:461200 VIRUSsci  Yes
lrs20000009_01QID 47003:4612005.0UT26-2-008LRS2-Bsci1.481.1522.020.87  Yes
0001LFC Cal03:47106.5 HPFcal  Yes
0002LFC Cal03:49106.5 HPFcal  Yes
0003LFC Cal03:51106.5 HPFcal  Yes
0004QID 102304:15969.18.8UT26-2-007HPFsci1.721.1620.020.8520 Yes
virus0000011_01parallel04:152000 VIRUSsci  Yes
0005QID 102304:32969.10.8UT26-2-007HPFsci1.711.7720.120.8219 Yes
virus0000012_01parallel05:022400 VIRUSsci  Yes
0006LFC Cal05:03106.5 HPFcal  Yes
lrs20000010_01QID 83505:03240015.0PSU26-2-011LRS2-Bsci1.631.0121.940.92 LRS2 Target idx 835 too faint to use requested DirectAcam setup. TO had to switch to a blind setup using nearby stars. overhead 7-8 min longer than usual due to un-successful attempts to use DirectAcam.Yes
0007LFC Cal05:05106.5 HPFcal  Yes
0008LFC Cal05:07106.5 HPFcal  Yes
lrs20000011_01parallel05:481000 LRS2sci  Yes
virus0000013_01QID 20705:4810005.3PSU26-2-003VIRUSsci1.871.2722.111.00  Yes
0009LFC Cal05:49106.5 HPFcal  Yes
0010LFC Cal05:51106.5 HPFcal  Yes
0011LFC Cal05:53106.5 HPFcal  Yes
lrs20000011_02parallel06:061000 LRS2sci  Yes
virus0000013_02QID 20706:0610001.3PSU26-2-003VIRUSsci1.901.3322.110.99  Yes
lrs20000011_03parallel06:241000 LRS2sci  Yes
virus0000013_03QID 20706:2410001.3PSU26-2-003VIRUSsci1.911.3222.050.95 third exposure closer than desirable to the edge of track, but sky conditions were optimal. please review if data is still usefulYes
lrs20000012_011808347_056_E06:591209.0LRS2spec2.021.0822.021.04  Yes
lrs20000013_011808347_066_E07:041203.0LRS2spec1.591.2820.870.99  Yes
0012LFC Cal07:12106.5 HPFcal  Yes
lrs20000014_01parallel07:12360 LRS2sci  Yes
virus0000014_01QID 103607:123606.0UT26-2-016VIRUSsci1.861.2721.990.87  Yes
0013LFC Cal07:14106.5 HPFcal  Yes
lrs20000014_02parallel07:19360 LRS2sci  Yes
virus0000014_02QID 103607:193601.0UT26-2-016VIRUSsci2.202.4221.990.86  Yes
lrs20000014_03parallel07:26360 LRS2sci  Yes
virus0000014_03QID 103607:263601.0UT26-2-016VIRUSsci2.281.8621.960.86  Yes
0014LFC Cal07:37106.5 HPFcal  Yes
lrs20000015_01parallel07:37360 LRS2sci  Yes
virus0000015_01QID 103707:373605.0UT26-2-016VIRUSsci2.351.7021.950.87  Yes
0015LFC Cal07:40106.5 HPFcal  Yes
lrs20000015_02parallel07:44360 LRS2sci  Yes
virus0000015_02QID 103707:443601.0UT26-2-016VIRUSsci2.151.8421.930.85  Yes
lrs20000015_03parallel07:51360 LRS2sci  Yes
virus0000015_03QID 103707:523602.0UT26-2-016VIRUSsci2.141.5221.890.82  Yes
0016LFC Cal08:01106.5 HPFcal  Yes
virus0000016_01parallel08:071500 VIRUSsci  Yes
0017LFC Cal08:08106.5 HPFcal  Yes
lrs20000016_01QID 64608:08150010.0PSU26-2-004LRS2-Bsci2.641.8522.060.64  Yes
0018LFC Cal08:10106.5 HPFcal  Yes
0019LFC Cal08:12106.5 HPFcal  Yes
0020HR8733_tell_std09:10330.25.5HPFtelluric2.631.6420.590.74  Yes
lrs20000017_01bias09:380 LRS2cal  Yes
virus0000017_01bias09:390 VIRUScal  Yes
virus0000018_01Cd-A09:4315 ENG26-2-002VIRUScal  Yes
virus0000019_01Hg09:4415 ENG26-2-002VIRUScal  Yes
0021Dark09:55319.5 HPFcal  Yes
0022Quartz FCU10:0774.5 HPFcal  Yes
0023Quartz FCU10:0974.5 HPFcal  Yes
0024Quartz FCU10:1074.5 HPFcal  Yes
0025Quartz FCU10:1274.5 HPFcal  Yes
0026Quartz FCU10:1474.5 HPFcal  Yes
0027Quartz FCU10:1674.5 HPFcal  Yes
0028Quartz FCU10:1774.5 HPFcal  Yes
0029Alpha Bright Cal10:2085.2 HPFcal  Yes
0030Alpha Bright Cal10:2285.2 HPFcal  Yes
0031Alpha Bright Cal10:2485.2 HPFcal  Yes
0032Alpha Bright Cal10:2685.2 HPFcal  Yes
0033LFC FCU10:28106.5 HPFcal  Yes
0034LFC FCU10:31106.5 HPFcal  Yes
0035LFC FCU10:33106.5 HPFcal  Yes
0036LFC FCU10:35106.5 HPFcal  Yes
0037LFC FCU10:37106.5 HPFcal  Yes
0038LFC FCU10:40106.5 HPFcal  Yes
0039LFC Cal10:43106.5 HPFcal  Yes
0040LFC Cal10:45106.5 HPFcal  Yes
0041Etalon Cal10:53159.8 HPFcal  Yes
0042Etalon Cal10:56159.8 HPFcal  Yes
0043Etalon Cal10:59159.8 HPFcal  Yes
0044Etalon Cal11:02159.8 HPFcal  Yes
0045UNe Slave Cal11:06426 HPFcal  Yes
0046UNe Slave Cal11:14426 HPFcal  Yes
0047UNe Slave Cal11:22426 HPFcal  Yes
0048UNe Slave Cal11:29426 HPFcal  Yes
0049UNe Slave Cal11:37426 HPFcal  Yes
0050UNe Slave Cal11:45426 HPFcal  Yes
lrs20009900_01bias22:080 LRS2cal  Yes
0046LFC Cal22:08106.5 HPFcal  Yes
virus0009900_01flat_Qth22:0920 VIRUScal  Yes
virus0009901_01bias22:100 VIRUScal  Yes
lrs20009901_01flat_ldls_long_B22:1120 LRS2cal  Yes
virus0009902_01dark22:1215 VIRUScal  Yes
lrs20009902_01Cd-A_B22:1329 LRS2cal  Yes
lrs20009903_01FeAr_R22:1515 LRS2cal  Yes
lrs20009904_01Hg_B22:1615 LRS2cal  Yes
virus0006100_01dark22:2210 VIRUScal  Yes
virus0000007_01bias22:230 VIRUScal  Yes
virus0009905_01bias22:240 VIRUScal  Yes
virus0006101_01dark22:3310 VIRUScal  Yes
virus0009906_01bias22:340 VIRUScal  Yes
0047Dark22:36319.5 HPFcal  Yes
0048Quartz FCU22:4374.5 HPFcal  Yes
0049Quartz FCU22:4574.5 HPFcal  Yes
0050Quartz FCU22:4674.5 HPFcal  Yes
0051Quartz FCU22:4874.5 HPFcal  Yes
0052Quartz FCU22:5074.5 HPFcal  Yes
0053Quartz FCU22:5274.5 HPFcal  Yes
0054Quartz FCU22:5474.5 HPFcal  Yes
0055Alpha Bright Cal22:5685.2 HPFcal  Yes
0056Alpha Bright Cal22:5885.2 HPFcal  Yes
0057Alpha Bright Cal23:0085.2 HPFcal  Yes
0058Alpha Bright Cal23:0285.2 HPFcal  Yes
0059LFC FCU23:04106.5 HPFcal  Yes
0060LFC FCU23:07106.5 HPFcal  Yes
0061LFC Cal23:10106.5 HPFcal  Yes
0062LFC Cal23:12106.5 HPFcal  Yes
0063Etalon Cal23:15159.8 HPFcal  Yes
0064UNe Slave Cal23:18426 HPFcal  Yes
lrs20000004_01flat_Qth_R23:1915 LRS2cal  Yes
lrs20000004_02flat_Qth_R23:2015 LRS2cal  Yes
lrs20000004_03flat_Qth_R23:2215 LRS2cal  Yes
lrs20000004_04flat_Qth_R23:2315 LRS2cal  Yes
lrs20000004_05flat_Qth_R23:2415 LRS2cal  Yes
0065UNe Slave Cal23:26426 HPFcal  Yes
lrs20000005_01flat_ldls_long_B23:2620 LRS2cal  Yes
lrs20000005_02flat_ldls_long_B23:2720 LRS2cal  Yes
lrs20000005_03flat_ldls_long_B23:2820 LRS2cal  Yes
lrs20000006_01Cd-A_B23:3029 LRS2cal  Yes
lrs20000006_02Cd-A_B23:3129 LRS2cal  Yes
lrs20000006_03Cd-A_B23:3229 LRS2cal  Yes
0066UNe Slave Cal23:34426 HPFcal  Yes
lrs20000007_01FeAr_R23:3415 LRS2cal  Yes
lrs20000007_02FeAr_R23:3515 LRS2cal  Yes
lrs20000007_03FeAr_R23:3615 LRS2cal  Yes
lrs20000008_01Hg_R23:3820 LRS2cal  Yes
lrs20000008_02Hg_R23:3920 LRS2cal  Yes
lrs20000008_03Hg_R23:4020 LRS2cal  Yes
0067UNe Slave Cal23:42426 HPFcal  Yes
lrs20000009_01Hg_B23:4215 LRS2cal  Yes
lrs20000009_02Hg_B23:4315 LRS2cal  Yes
lrs20000009_03Hg_B23:4415 LRS2cal  Yes
0068UNe Slave Cal23:49426 HPFcal  Yes
virus0000008_01flat_ldls_long23:5115 VIRUScal  Yes
virus0000008_02flat_ldls_long23:5215 VIRUScal  Yes
virus0000008_03flat_ldls_long23:5415 VIRUScal  Yes
virus0000009_01Cd-A23:5515 VIRUScal  Yes
virus0000009_02Cd-A23:5615 VIRUScal  Yes
0069UNe Slave Cal23:57426 HPFcal  Yes
virus0000009_03Cd-A23:5815 VIRUScal  Yes
virus0000010_01Hg23:5915 VIRUScal  Yes