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Civil Date
Ephemerides
2017-04-07SunsetSunriseMoon
Set12°18°18°12°RiseRiseSet
01:2302:1202:4211:1411:4312:33-11:19
Night Length8:32Sunset 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
01:2520.418.711:11twilight09:46
Total Time Open9:46


      
ProgramNight PriorityEngineering
02:42Engineering (tests)
Stack Data
StartStopee50ee80Hefi FocusMars FocusOutside TempDome TempTruss TempWind DirectionWind SpeedStack Type
01:5502:340.450.6810101803819.620.219.821912First of Night
08:2909:220.420.6410601983917.217.117.519023Stack/Re-stack
↪ Commentsvariable dome seeing.


Problem Reports
PR NumberTimesTime LostDescriptionResponse
483200:23-00:2300:00BIB camera power appears to be off, but BIB camera works. Submitted during OPS.
483406:14-06:1800:04LX brake pressure switch fault. Probably related to damaged cable issue from day operations. (See daily report) Happened three times in a row at az=120. No other events like this on other azimuths throughout the night. Was never able to use any trajectory at az=120. Move onto trajectories with other azimuths.


Ops Commentsnone


TO CommentsMostly clear night with relatively stable temperatures.


RA Commentsnone


Observations
FileTarget/QIDExp StartExposureOverheadProgramInstrument ConfigurationData TypeIQDimmSkySBrtSkytransSNRCommentsCharge
lrs20000001_01skyflat01:3515 LRS2calS  Yes
virus0000001_01skyflat01:4215 VIRUScalS regularYes
virus0000002_01skyflat01:4415 VIRUScalS specialYes
virus0000002_02skyflat01:4530 VIRUScalS  Yes
virus0000002_03skyflat01:4660 VIRUScalS  Yes
lrs20000002_01parallel10:0622.7-0.4LRS2sci  Yes
lrs20000002_02parallel10:1124.7-0.4LRS2sci  Yes
lrs20000002_03parallel10:1422.2-0.4LRS2sci  Yes
lrs20000002_04parallel10:1722-0.4LRS2sci  Yes
lrs20000002_05parallel10:1923.2-0.4LRS2sci  Yes
lrs20000002_06parallel10:2122.3-0.4LRS2sci  Yes
lrs20000002_07parallel10:2323.8-0.4LRS2sci  Yes
lrs20000002_08parallel10:2721.4-0.4LRS2sci  Yes
lrs20000002_09parallel10:2924.6-0.4LRS2sci  Yes
lrs20000002_10parallel10:3222.5-0.4LRS2sci  Yes
lrs20000002_11parallel10:3322.7-0.4LRS2sci  Yes
lrs20000002_12parallel10:3524.3-0.4LRS2sci  Yes
lrs20000003_01parallel10:4823.2-0.4LRS2sci  Yes
lrs20000003_02parallel10:5022-0.4LRS2sci  Yes
lrs20000003_03parallel10:5322.7-0.4LRS2sci  Yes
lrs20000003_04parallel10:5522.2-0.4LRS2sci  Yes
lrs20000003_05parallel10:5724.1-0.4LRS2sci  Yes
lrs20000003_06parallel10:5922.9-0.4LRS2sci  Yes
lrs20000003_07parallel11:0123.9-0.4LRS2sci  Yes
lrs20000003_08parallel11:0323.7-0.4LRS2sci  Yes
lrs20000003_09parallel11:0424.2-0.4LRS2sci  Yes
lrs20000003_10parallel11:0623.6-0.4LRS2sci  Yes
lrs20000003_11parallel11:0821.5-0.4LRS2sci  Yes
lrs20000003_12parallel11:1023.7-0.4LRS2sci  Yes
virus0009990_01bias21:320 VIRUScalS  Yes
lrs20009990_01bias21:320 LRS2calS  Yes
lrs20009991_01FeAr_R21:3932.6 LRS2calS  Yes
lrs20009992_01flat_Qth_R21:4033.5 LRS2calS  Yes
lrs20009993_01dark21:4233.5 LRS2calS  Yes
virus0009991_01Hg21:5222.6 VIRUScalS  Yes
virus0009992_01Cd-A21:53163.1 VIRUScalS  Yes
virus0009993_01flat_ldls_long21:5622.6 VIRUScalS  Yes
lrs20005000_01Hg_R22:12125.7 LRS2calS  Yes
lrs20005000_02Hg_R22:1510.9 LRS2calS  Yes
lrs20005005_01Hg_R22:3133.7 LRS2calS  Yes