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Civil Date
Ephemerides
2017-04-08SunsetSunriseMoon
Set12°18°18°12°RiseRiseSet
01:2302:1302:4311:1211:4212:3223:1011:55
Night Length8:29Sunset Temperature


On-Duty Personnel
Resident AstronomerTelescope OperatorOPS EngineerDay Ops
John CaldwellEmily Bevins--


Overlapsnone

Other Personnelnone

Guestsnone


Open/Close Log
Open timeOutdoor tempTruss tempClose timeReasonTime open
01:2021.119.311:03twilight09:43
Total Time Open9:43


      
ProgramNight PriorityEngineering
02:43Engineering (tests)
Stack Data
StartStopee50ee80Hefi FocusMars FocusOutside TempDome TempTruss TempWind DirectionWind SpeedStack Type
01:5402:300.460.7110201779319.719.819.926111First of Night
08:4209:05Stack/Re-stack


Problem Reports
PR NumberTimesTime LostDescriptionResponse
483505:52-05:55, 06:08 - 06:11, 07:36 - 07:38, 08:06 - 08:1600:18PAS died multiple times during the BIB drag test. Called: Randy.

Shut down all the camera's and restart PAS. After multiple events of this, called Randy who recommended that we not run open loop metrology of the WFS if there was no flux to measure.This got us through a test without PAS dying.
473408:33-08:3400:01TCS died while on trajectory. No obvious reason as to why. Restart TCS servers and reacquire the track.


Ops Commentsnone


TO CommentsClear night with stable temperatures.


RA Commentsnone


Observations
FileTarget/QIDExp StartExposureOverheadProgramInstrument ConfigurationData TypeIQDimmSkySBrtSkytransSNRCommentsCharge
lrs20008990_01FeAr_R00:0431.5 LRS2calS  Yes
lrs20008991_01flat_Qth_R00:0531.6 LRS2calS  Yes
lrs20008992_01dark00:0731.6 LRS2calS  Yes
lrs20008993_01bias00:130 LRS2calS  Yes
lrs20111111_01dark00:2531.6 LRS2calS  Yes
lrs20120000_01Hg_R00:3050.5 LRS2calS  Yes
lrs20120000_02Hg_R00:32141.2 LRS2calS  Yes
virus0000001_01skyflat01:3121.2 VIRUScalS disregardYes
virus0000001_02skyflat01:3240.2 VIRUScalS disregardYes
virus0000001_03skyflat01:3466.7 VIRUScalS disregardYes
virus0000002_01skyflat01:4815 VIRUScalS specialYes
virus0000002_02skyflat01:4930 VIRUScalS  Yes
virus0000002_03skyflat01:5060 VIRUScalS  Yes
lrs20000001_01parallel04:1036.5-0.6LRS2sci  Yes
lrs20000001_02parallel04:2836.8-0.6LRS2sci  Yes
lrs20000001_03parallel04:3237.6-0.6LRS2sci  Yes
lrs20000001_04parallel04:3439.8-0.7LRS2sci  Yes
lrs20000001_05parallel04:3837.4-0.6LRS2sci  Yes
lrs20000001_06parallel04:4136.9-0.6LRS2sci  Yes
lrs20000001_07parallel04:4337.6-0.6LRS2sci  Yes
lrs20000001_08parallel04:4638-0.6LRS2sci  Yes
lrs20000001_09parallel04:4937-0.6LRS2sci  Yes
lrs20000002_01parallel05:1636.9-0.6LRS2sci  Yes
virus0010001_01dark19:2270.3 VIRUScalS  Yes
lrs20010010_01Hg_R19:37142.4 LRS2calS  Yes
virus0009990_01Hg23:4822.3 VIRUScalS  Yes
virus0009991_01Cd-A23:49164.8 VIRUScalS  Yes
virus0009992_01flat_ldls_long23:5324.1 VIRUScalS  Yes
virus0009993_01bias23:540 VIRUScalS  Yes