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Civil Date
Ephemerides
2016-04-04SunsetSunriseMoon
Set12°18°18°12°RiseRiseSet
01:2102:1002:4011:1711:4712:3611:2222:33
Night Length8:37Sunset Temperature


On-Duty Personnel
Resident AstronomerTelescope OperatorOPS EngineerDay Ops
Sergey RostopchinSteve Steele--


Overlapsnone

Other Personnelnone

Guestsnone


Open/Close Log
Open timeOutdoor tempTruss tempClose timeReasonTime open
01:0019.616.011:50twilight10:50
Total Time Open10:50


      
ProgramNight PriorityEngineering
02:40Engineering (lrs2 commisioning)
Stack Data
StartStopee50ee80Hefi FocusMars FocusOutside TempDome TempTruss TempWind DirectionWind SpeedStack Type
01:4502:270.470.7610931030718.218.418.31002First of Night
07:2507:300.560.9110931130316.116.216.316613Post-Observing
07:3008:050.440.6610981229916.216.316.317313Stack/Re-stack


Problem Reports
PR NumberTimesTime LostDescriptionResponse
446909:40-09:5000:10Significant jumping on the the TT, ACQ and Guide Camera. Note: It appeared that at first of the Track, it seemed that we were going through incredible long, correct for structure.
446705:45-05:5000:05Tracker Update 42273.0, The tracker aborted Trajectory prematurely. No other information available.
446807:00-09:2002:20We had to reload dSPACE three times and ControlDesk due to HFC faults 3 times.The last one was: 08:17 (Update Time) A HFC Fault; both on Tracker Monitoring (Control Desk) both Software and Tracker Control Panel; Hardware, aborted the Trajectory. It would not reset. I called James Fowler, and he involved us in (among a long process)re-initializing dSpace and ControlDesk NG. The Telescope is now repaired.


Ops Commentsnone


TO CommentsA very good night for observing.


RA Commentsnone


Observations
FileTarget/QIDExp StartExposureOverheadProgramInstrument ConfigurationData TypeIQDimmSkySBrtSkytransSNRCommentsCharge