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Civil Date
Ephemerides
2018-04-03SunsetSunriseMoon
Set12°18°18°12°RiseRiseSet
01:2002:0902:3811:1911:4912:3804:31-
Night Length8:41Sunset Temperature


On-Duty Personnel
Resident AstronomerTelescope OperatorOPS EngineerDay Ops
Stephen OdewahnJusten Pautzke--


Overlaps
TO OverlapRA Overlap
-Sergey Rostopchin

Other Personnelnone

Guestsnone


Open/Close Log
Open timeOutdoor tempTruss tempClose timeReasonTime open
04:2810.012.111:36twilight07:08
Total Time Open7:08


      
ProgramNight PriorityEngineering
02:38Idle due to weather (dust)
05:37Engineering (pointing)
Stack Data
StartStopee50ee80Hefi FocusMars FocusOutside TempDome TempTruss TempWind DirectionWind SpeedStack Type
04:3705:370.540.80900+36438.28.79.66515First of Night
08:0809:030.560.83880+54583.53.94.67412Stack/Re-stack
↪ CommentsVery bad dome seeing due to constant temperature drop all evening.
09:3109:433.03.03.51384Stack/Re-stack
11:2211:301.131.74104056520.40.71.47010Post-Observing


Problem Reportsno PRs


Ops Commentsnone


TO CommentsDust at beginning of the night then clear for remainder.


RA CommentsClear at sunset, but a large dust storm is miving in rapidly from the NE. Night devoted to engineering, specifically telescope pointing tests. Could not take L/V skyflats at sunset due to extreneley high dust count.


Observations
FileTarget/QIDExp StartExposureOverheadProgramInstrument ConfigurationData TypeIQDimmSkySBrtSkytransSNRCommentsCharge
lrs20000001_01Hg_R01:53193.4 LRS2calS  Yes
lrs20000001_02Hg_R01:57193.1 LRS2calS  Yes
lrs20000001_03Hg_R02:02193.4 LRS2calS  Yes
lrs20000002_01Hg_B02:0623.4 LRS2calS  Yes
lrs20000002_02Hg_B02:0722.7 LRS2calS  Yes
lrs20000002_03Hg_B02:0823.2 LRS2calS  Yes
lrs20000003_01Cd-A_B02:0954.9 LRS2calS  Yes
lrs20000003_02Cd-A_B02:1155.1 LRS2calS  Yes
lrs20000003_03Cd-A_B02:1353.7 LRS2calS  Yes
lrs20000004_01FeAr_R02:1538 LRS2calS  Yes
lrs20000004_02FeAr_R02:1637.9 LRS2calS  Yes
lrs20000004_03FeAr_R02:1838.4 LRS2calS  Yes
lrs20000005_01flat_Qth_R02:1923.2 LRS2calS  Yes
lrs20000005_02flat_Qth_R02:2022.6 LRS2calS  Yes
lrs20000005_03flat_Qth_R02:2123.4 LRS2calS  Yes
lrs20000005_04flat_Qth_R02:2323.7 LRS2calS  Yes
lrs20000005_05flat_Qth_R02:2423.5 LRS2calS  Yes
lrs20000006_01flat_ldls_long_B02:2528 LRS2calS  Yes
lrs20000006_02flat_ldls_long_B02:2628.2 LRS2calS  Yes
lrs20000006_03flat_ldls_long_B02:2827.3 LRS2calS  Yes
lrs20000007_01bias02:290 LRS2calS  Yes
lrs20000007_02bias02:300 LRS2calS  Yes
lrs20000007_03bias02:300 LRS2calS  Yes
lrs20000007_04bias02:310 LRS2calS  Yes
lrs20000007_05bias02:320 LRS2calS  Yes
lrs20000007_06bias02:320 LRS2calS  Yes
lrs20000007_07bias02:330 LRS2calS  Yes
lrs20000007_08bias02:340 LRS2calS  Yes
lrs20000007_09bias02:350 LRS2calS  Yes
lrs20000007_10bias02:350 LRS2calS  Yes
lrs20000007_11bias02:360 LRS2calS  Yes
virus0000001_01bias11:220 VIRUScalS  Yes
virus0020000_01bias18:230 VIRUScalS  Yes
virus0020001_01bias19:560 VIRUScalS  Yes
virus0009990_01bias21:410 VIRUScalS  Yes
lrs20009990_01bias21:410 LRS2calS  Yes
lrs20009991_01FeAr_R21:4637 LRS2calS  Yes
lrs20009992_01flat_Qth_R21:4723.1 LRS2calS  Yes
lrs20009993_01dark21:49300 LRS2calS  Yes
virus0009991_01Hg21:5822.9 VIRUScalS  Yes
virus0009992_01Cd-A21:5927.2 VIRUScalS  Yes
virus0009993_01flat_ldls_long22:0023.3 VIRUScalS  Yes