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LTO Report

Kitt Peak Nightly LTO Report For UT: 2019-06-19

Report Time (MST): 04:26                    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)18.521.717.01.0
Dewpoint Temperature (°C)-6.5-1.5-10.41.8
Relative humidity (%)1828113.3
Wind Speed (mph)25.233.76.74.3
Wind Direction (°)180642950.9
4M Dome Temperature (°C)19.020.018.00.5
4M Dome Dewpoint (°C)-4.3-1.6-6.01.0
4M Primary Mirror (°C)21.221.421.00.1

 
Weather Comments: Clear with a 10 to 18 mph wind out of the SW. Low humidity
Recognized Hours: ( 7 )      18 degree twilight + 0.5 hr.

Observer Information
Telescope Observer Prop. # Instrument Detector Seeing
4 MeterNo Observer --- N/A N/A N/A
WIYNEverett --- NESSI N/A 1.5
2.1 MeterNo Observer --- N/A N/A N/A
FeedNo Observer --- N/A N/A N/A
0.9 MeterNo Observer --- N/A N/A N/A

Time Usage During The Night
Telescope Hours Used Night's Activity   Hours Lost Time Lost
Due To:
Time of
Night (MST)
4Meter
7.0 Shutdown      
WIYN
6.75 Scientific Research 0.25 Weather 00:00 - 00:30
2Meter
0.0 Scientific Research      
Feed
0.0 Scientific Research      
W0_9m
0.0 Scientific Research      

Observing Status
4 MeterMayall shutdown in preparation for DESI.
WIYNStopped for about 20 minutes around midnight to wait out a bout of poor seeing. Otherwise no problems. Seeing ranged from 1 to 2.0
2.1 MeterNot Scheduled
FeedNot Scheduled
0.9 MeterNot Scheduled

CommentsA good night

Reported by:Karen Butler



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