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LTO Report

Kitt Peak Nightly LTO Report For UT: 2014-10-22

Report Time (MST): 05:01                    For access to all LTO-Reports go to: http://www-kpno.kpno.noao.edu/cgi-bin/ltoreport


4 Meter Weather Averages
From: UT = 01:00 (MST=6:00 PM) To: UT = 13:00 (MST=6:00 AM)
Elements Mean High Low AvDev
Air Temperature (°C)0.00.00.0
Dewpoint Temperature (°C)0.00.00.0
Relative humidity (%)000
Wind Speed (mph)0.00.00.0
Wind Direction (°)000
4M Dome Temperature (°C)2.613.5-99.918.8
4M Dome Dewpoint (°C)-4.76.1-99.917.4
4M Primary Mirror (°C)11.313.81.22.5

 
Weather Comments: The sky was covered with a slowly dissipating, thin overcast for the first hour and a half. After that it was very clear. Calm all night.
Recognized Hours: ( 10.5 )      18 degree twilight + 0.5 hr.

Observer Information
Telescope Observer Prop. # Instrument Detector Seeing
4 MeterEdwards 2014B-0442 MOSAIC N/A 0.8
WIYNRajagopal 2014B-0246 pODI N/A 1.0
2.1 MeterNo Observer --- N/A N/A N/A
FeedNo Observer --- N/A N/A N/A
0.9 Meter?? 2014B-0105 CFIM S2KB 2.0

Time Usage During The Night
Telescope Hours Used Night's Activity   Hours Lost Time Lost
Due To:
Time of
Night (MST)
4Meter
10.5 Scientific Research      
WIYN
10.5 Scientific Research      
2Meter
0.0 Scientific Research      
Feed
0.0 Scientific Research      
W0_9m
4.0 Scientific Research   2.0 Instrument Problem 18:30 - 03:00
2.5 Other   2.0 Tele-Control Problem 18:30 - 03:00

Observing Status
4 MeterNo problems. Good seeing between 0.67 and 1.1 arcseconds, typical value was 0.8 arcsecond.
WIYNFilter arm issue before twiligfht but no time lost. There was condensation on the dewar window for a half hour's worth of observations but they appear useable. Seeing measured in focus frames (observing was non-sidereal) 0.7 to 1.3 arcseconds, typical value 1 arcsecond.
2.1 MeterNot Scheduled
FeedNot Scheduled
0.9 MeterTime lost due to trouble shooting focus and shutter problems. Unfocused seeing measured at 2 arcseconds.

CommentsGood seeing and a very clear sky.

Reported by:Doug Williams



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