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Civil Date
Ephemerides
2015-12-30SunsetSunriseMoon
Set12°18°18°12°RiseRiseSet
00:0801:0101:3012:2712:5613:5005:18-
Night Length10:57Sunset Temperature


On-Duty Personnel
Resident AstronomerTelescope OperatorOPS EngineerDay Ops
-Justen Pautzke--


Overlapsnone

Other Personnelnone

Guestsnone


Open/Close Log
Open timeOutdoor tempTruss tempClose timeReasonTime open
23:534.86.904:17clouds04:24
Total Time Open4:24


      
ProgramNight Priority
Stack Data
StartStopee50ee80Hefi FocusMars FocusOutside TempDome TempTruss TempWind DirectionWind SpeedStack Type
00:0501:250.490.731105-9643.74.24.51513First of Night
↪ CommentsTemperature dropping rapidly during stacking (from ~6C to 3.7C). Chased for a little while.


Problem Reports
PR NumberTimesTime LostDescriptionResponse
431100:19-00:2900:10Could not stack segment 85. Hitting limit. Error dialog in PR.
170300:46-00:4600:00Took out 32-1 and 36-6 for LTRSE
430402:08-03:0500:57Tried to go to satellite and received "failed to adjust trajectory to compensate for the current tracker position." error. See PR for more detail and error codes.Called: Jim

Jim found the the HTCS computer was off about ~1:10 mins in the past compared to actual time. He fixed the time and everything started working properly again.
431502:23-02:2300:00Strange noises while moving the structure. Did not sound like the structure was lifted high enough. Sounded like rubber rubbing on the pier. Quickly aborted all and the noise stopped. After a few more moves the noise went away and did not return.
431603:18-03:3000:12While on trajectory of Geostationary Satellite tracker brakes engaged then after a short period of time disengaged. Tracker then started to move off of the proper trajectory in X and Y. More detail in PR.Aborted the trajectory restarted tcs gui and related servers and resent the target which worked.
431704:08-04:1100:03uptime: 36447.5 Brakes engaged in the middle of the track for no apparent reason.Resent the trajectory.


Ops Commentsnone


TO CommentsTemperatures off at beginning of night. Set point was 3C but the dome temperature only got down to ~7.3C. Outside temperature was at ~6C and falling reasonably quick. Clear at the beginning of the night but quickly we were clouded out.


RA Commentsnone


Observations
FileTarget/QIDExp StartExposureOverheadProgramInstrument ConfigurationData TypeIQDimmSkySBrtSkytransSNRCommentsCharge