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Civil Date
Ephemerides
2016-07-09SunsetSunriseMoon
Set12°18°18°12°RiseRiseSet
02:0603:0203:3810:2511:0111:58-05:46
Night Length6:47Sunset Temperature


On-Duty Personnel
Resident AstronomerTelescope OperatorOPS EngineerDay Ops
Matthew ShetroneEusebio Terrazas--


Overlapsnone

Other PersonnelGeorge Damm

Guestsnone


Open/Close Log
Open timeOutdoor tempTruss tempClose timeReasonTime open
01:0524.324.006:05PR05:00
Total Time Open5:00


      
ProgramNight PriorityEngineering
03:38Engineering (tracker recommissioning)
Stack Data
StartStopee50ee80Hefi FocusMars FocusOutside TempDome TempTruss TempWind DirectionWind SpeedStack Type
02:4504:060.520.77251068722.222.522.816819First of Night
↪ CommentsMultiple mirrors had to be found and moved into array; 1 & 49 were close; 85 & 15 were further than 50 steps out.


Problem Reports
PR NumberTimesTime LostDescriptionResponse
432100:31-02:2601:55Could not go to any trajectory. Error received: Failed to adjust trajectory for current tracker position. Received error regardless of tracker position. Called: Jim

Jim restarted the log server and then a restart of dspace, servers and gui appeared to fix the problem.
456402:12-02:1400:02TO night report will not accept a PR including quotations. Will revert to previous state of the PR. double quotes not working in ops checklist not working either
450804:10-04:15, 04:58-05:0500:12Lost tracker and tcs server communications while tracker was in motion and on trajectoryCalled: jim

restart servers and tried again
456504:15-04:55, 05:55-10:2505:10Essentially the same loop of unable to track on sky; would loose comms to tcs and tracker server; errors of - Failed to adjust trajectory to compensate for the current tracker position - and -TMCS failed to acquire trajectory in a continuous loop... see PR for further infoCalled: jim

able to get trajectory started if everything was power cycled but only for a short time... then loop would occur again.
456205:10-10:2505:15SAMS lost comm to Bank; all sensors on 1/3 of array reporting -384
456605:15-06:2001:05Constant beeping being heard from dome enclosure; unsure as to what the source or reason for this is... Called: George

George came up and assured us it wasn't a LN2 issue; He speculated it was coming from the pfip but unknown as it stopped before further information could be attained.


Ops Commentsnone


TO CommentsAble to stack and find missing mirrors... Clear night but unable to successfully track because of continuous errors.


RA CommentsThe tracker could not hold a trajectory more than about 3 minutes. See PR reports. After consulting with Jim and him having exhausted all options we shut down for the night.


Observations
FileTarget/QIDExp StartExposureOverheadProgramInstrument ConfigurationData TypeIQDimmSkySBrtSkytransSNRCommentsCharge
lrs20008990_01FeAr21:0081.4 LRS2calS  Yes
lrs20008990_02FeAr21:03318.2 LRS2calS  Yes
lrs20008991_01flat_Qth21:0925.9 LRS2calS  Yes
lrs20008991_02flat_Qth21:1048.2 LRS2calS  Yes
lrs20008992_01bias21:121.9 LRS2calS  Yes
virus0008990_01Hg21:1833.1 VIRUScalS  Yes
virus0008991_01Cd21:19177.7 VIRUScalS  Yes
virus0008992_01flat_ldls21:2232.2 VIRUScalS  Yes
virus0008993_01bias21:236 VIRUScalS  Yes