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Civil Date
Ephemerides
2025-11-25SunsetSunriseMoon
Set12°18°18°12°RiseRiseSet
00:0200:5101:2012:0712:3613:25-04:41
Night Length10:47Sunset Temperature


On-Duty Personnel
Resident AstronomerTelescope Operator
Sergey RostopchinJusten Pautzke


Overlapsnone

Other PersonnelGeorge Damm, Joel Larakers, Joshua Scally, Rylen Latosky

Guestsnone


Open/Close Log
Open timeOutdoor tempTruss tempClose timeReasonTime open
04:508.57.709:05dew point04:15
Total Time Open4:15


      
ProgramNight PriorityScience
01:20Science
07:52Idle due to weather (temp drop)
Stack Data
StartStopee50ee80Hefi FocusMars FocusOutside TempDome TempTruss TempWind DirectionWind SpeedStack Type
04:5006:270.410.64-371817.18.18.3359First of Night


Problem Reports
PR NumberTimesTime LostDescriptionResponse
658109:04-09:0400:00Dome shutter stuck at NEAR_CLOSED. Stopped the shutter and left where it is after talking with Herman.Called: HK

HK reports it should be closed enough to not be a problem with the dew point and fog coming.
659108:00-08:0000:00not making correct schedule
659001:20-04:5003:30Tracker sensor error preventing tracker engagement.Called: JRF

Found this was due to a mismatch of the Y encoder position compared to the stringpot. Disabled this comparison and the tracker was able to be used again.
659205:01-05:5200:51Possible actuator issue with Segment 4:2 "i" actuator.Called: NW,JS

Josh came and covered the segment for the night.


TO CommentsCalm and clear with later temperature drop that closed us for humidity. Currently running dehumidification.


RA Commentsnone


Observations
FileTarget/QIDExp StartExposureOverheadProgramInstrument ConfigurationData TypeIQDimmSkySBrtSkytransSNRCommentsCharge
lrs20000001_01flat_Qth_R04:3715 LRS2cal  Yes
0001LFC FCU04:39106.5 HPFcal  Yes
0002LFC FCU04:42106.5 HPFcal  Yes
0003LFC Cal04:44106.5 HPFcal  Yes
0004LFC Cal04:47106.5 HPFcal  Yes
0005Etalon Cal04:49159.8 HPFcal  Yes
lrs20000002_01flat_Qth_R04:5315 LRS2cal  Yes
0006UNe Slave Cal04:54426 HPFcal  Yes
lrs20000002_02flat_Qth_R04:5415 LRS2cal  Yes
lrs20000002_03flat_Qth_R04:5615 LRS2cal  Yes
lrs20000002_04flat_Qth_R04:5715 LRS2cal  Yes
lrs20000002_05flat_Qth_R04:5815 LRS2cal  Yes
lrs20000003_01flat_ldls_long_B04:5920 LRS2cal  Yes
lrs20000003_02flat_ldls_long_B05:0120 LRS2cal  Yes
0007UNe Slave Cal05:01426 HPFcal  Yes
lrs20000003_03flat_ldls_long_B05:0220 LRS2cal  Yes
lrs20000004_01Cd-A_B05:0329 LRS2cal  Yes
lrs20000004_02Cd-A_B05:0529 LRS2cal  Yes
lrs20000004_03Cd-A_B05:0629 LRS2cal  Yes
lrs20000005_01FeAr_R05:0815 LRS2cal  Yes
0008UNe Slave Cal05:09426 HPFcal  Yes
lrs20000005_02FeAr_R05:0915 LRS2cal  Yes
lrs20000005_03FeAr_R05:1015 LRS2cal  Yes
lrs20000006_01Hg_R05:1120 LRS2cal  Yes
lrs20000006_02Hg_R05:1320 LRS2cal  Yes
lrs20000006_03Hg_R05:1420 LRS2cal  Yes
lrs20000007_01Hg_B05:1515 LRS2cal  Yes
lrs20000007_02Hg_B05:1615 LRS2cal  Yes
0009UNe Slave Cal05:17426 HPFcal  Yes
lrs20000007_03Hg_B05:1815 LRS2cal  Yes
virus0000001_01flat_ldls_long05:2415 VIRUScal  Yes
0010UNe Slave Cal05:25426 HPFcal  Yes
virus0000001_02flat_ldls_long05:2615 VIRUScal  Yes
virus0000001_03flat_ldls_long05:2715 VIRUScal  Yes
virus0000002_01Cd-A05:2815 VIRUScal  Yes
virus0000002_02Cd-A05:3015 VIRUScal  Yes
virus0000002_03Cd-A05:3115 VIRUScal  Yes
0011UNe Slave Cal05:32426 HPFcal  Yes
virus0000003_01Hg05:3315 VIRUScal  Yes
virus0000003_02Hg05:3415 VIRUScal  Yes
virus0000003_03Hg05:3615 VIRUScal  Yes
lrs20000008_01bias05:370 LRS2cal  Yes
virus0000004_01bias05:370 VIRUScal  Yes
lrs20000008_02bias05:380 LRS2cal  Yes
virus0000004_02bias05:380 VIRUScal  Yes
lrs20000008_03bias05:390 LRS2cal  Yes
virus0000004_03bias05:390 VIRUScal  Yes
lrs20000008_04bias05:400 LRS2cal  Yes
virus0000004_04bias05:400 VIRUScal  Yes
lrs20000008_05bias05:400 LRS2cal  Yes
virus0000004_05bias05:410 VIRUScal  Yes
lrs20000008_06bias05:410 LRS2cal  Yes
virus0000004_06bias05:420 VIRUScal  Yes
lrs20000008_07bias05:420 LRS2cal  Yes
virus0000004_07bias05:430 VIRUScal  Yes
lrs20000008_08bias05:430 LRS2cal  Yes
virus0000004_08bias05:430 VIRUScal  Yes
lrs20000008_09bias05:440 LRS2cal  Yes
virus0000004_09bias05:440 VIRUScal  Yes
lrs20000008_10bias05:450 LRS2cal  Yes
virus0000004_10bias05:450 VIRUScal  Yes
lrs20000008_11bias05:460 LRS2cal  Yes
virus0000004_11bias05:460 VIRUScal  Yes
lrs20000009_01dark05:46360 LRS2cal  Yes
virus0000005_01dark05:47360 VIRUScal  Yes
lrs20000009_02dark05:53360 LRS2cal  Yes
virus0000005_02dark05:54360 VIRUScal  Yes
lrs20000009_03dark06:00360 LRS2cal  Yes
virus0000005_03dark06:01360 VIRUScal  Yes
0012parallel06:31617.74.7UT25-3-006HPFsci1.711.3720.401.0282 Yes
virus0000006_01parallel06:311984 VIRUSsci  Yes
0013parallel06:43617.70.7UT25-3-006HPFsci1.531.2420.411.0281 Yes
0014parallel06:54617.70.7UT25-3-006HPFsci1.531.5520.371.0367 Yes
0015LFC Cal07:10106.5 HPFcal  Yes
lrs20000010_01parallel07:101806.0UT25-3-015LRS2-Bsci1.591.1221.861.01  P4
0016parallel07:19969.15.8UT25-3-013HPFsci1.521.5620.560.94380 P4
virus0000007_01parallel07:192047 VIRUSsci  Yes
0017parallel07:36969.10.8UT25-3-013HPFsci1.741.7920.440.92339 P4
0018LFC Cal07:54106.5 HPFcal  Yes
0019parallel08:03969.111.8PSU25-3-015HPFsci2.141.9820.400.8113quick temp dropNo
virus0000008_01parallel08:032047 VIRUSsci  Yes
0020parallel08:21969.10.8PSU25-3-015HPFsci2.201.0420.370.8211 No
lrs20000011_01parallel08:43300 LRS2sci  Yes
virus0000009_01parallel08:433006.0M25-3-004VIRUSsci2.532.3321.770.76 high humidityNo
0021LFC Cal08:44106.5 HPFcal  Yes
0022LFC Cal08:46106.5 HPFcal  Yes
0023LFC Cal08:52106.5 HPFcal  Yes
lrs20000012_01parallel08:52300 LRS2sci  Yes
virus0000010_01parallel08:523004.0M25-3-004VIRUSsci2.791.8621.740.86  No
0024LFC Cal08:55106.5 HPFcal  Yes
0025LFC Cal09:01106.5 HPFcal  Yes
lrs20000013_01parallel09:01300 LRS2sci  Yes
virus0000011_01parallel09:013004.0M25-3-004VIRUSsci3.121.2321.760.70 telescope closedNo
0026LFC Cal09:03106.5 HPFcal  Yes
lrs20000014_01bias10:440 LRS2cal  Yes
virus0000012_01bias10:450 VIRUScal  Yes
virus0000013_01Cd-A10:5015 ENG25-3-002VIRUScal  Yes
virus0000014_01Hg10:5115 ENG25-3-002VIRUScal  Yes
0027Dark10:59319.5 HPFcal  Yes
0028Quartz FCU11:1174.5 HPFcal  Yes
0029Quartz FCU11:1374.5 HPFcal  Yes
0030Quartz FCU11:1474.5 HPFcal  Yes
0031Quartz FCU11:1674.5 HPFcal  Yes
0032Quartz FCU11:1874.5 HPFcal  Yes
0033Quartz FCU11:2074.5 HPFcal  Yes
0034Quartz FCU11:2274.5 HPFcal  Yes
0035Alpha Bright Cal11:2485.2 HPFcal  Yes
0036Alpha Bright Cal11:2685.2 HPFcal  Yes
0037Alpha Bright Cal11:2885.2 HPFcal  Yes
0038Alpha Bright Cal11:3085.2 HPFcal  Yes
0039LFC FCU11:32106.5 HPFcal  Yes
0040LFC FCU11:35106.5 HPFcal  Yes
0041LFC FCU11:37106.5 HPFcal  Yes
0042LFC FCU11:39106.5 HPFcal  Yes
0043LFC FCU11:42106.5 HPFcal  Yes
0044LFC FCU11:44106.5 HPFcal  Yes
0045LFC Cal11:47106.5 HPFcal  Yes
0046LFC Cal11:49106.5 HPFcal  Yes
0047Etalon Cal11:57159.8 HPFcal  Yes
0048Etalon Cal12:00159.8 HPFcal  Yes
0049Etalon Cal12:03159.8 HPFcal  Yes
0050Etalon Cal12:07159.8 HPFcal  Yes
0051UNe Slave Cal12:10426 HPFcal  Yes
0052UNe Slave Cal12:18426 HPFcal  Yes
0053UNe Slave Cal12:26426 HPFcal  Yes
0054UNe Slave Cal12:33426 HPFcal  Yes
0055UNe Slave Cal12:41426 HPFcal  Yes
0056UNe Slave Cal12:49426 HPFcal  Yes
0084LFC Cal23:31106.5 HPFcal  Yes
lrs20009900_01bias23:420 LRS2cal  Yes
virus0009900_01flat_Qth23:4320 VIRUScal  Yes
virus0009901_01bias23:440 VIRUScal  Yes
lrs20009901_01flat_ldls_long_B23:4520 LRS2cal  Yes
virus0009902_01dark23:4715 VIRUScal  Yes
lrs20009902_01Cd-A_B23:4829 LRS2cal  Yes
lrs20009903_01FeAr_R23:4915 LRS2cal  Yes
lrs20009904_01Hg_B23:5115 LRS2cal  Yes