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LTO Report

Kitt Peak Nightly LTO Report For UT: 2019-10-20

Report Time (MST): 06:10                    For access to all LTO-Reports go to:

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)12.914.711.30.7
Dewpoint Temperature (°C)-8.2-3.9-13.41.7
Relative humidity (%)2332143.2
Wind Speed (mph)
Wind Direction (°)219183020.4
4M Dome Temperature (°C)15.516.914.60.6
4M Dome Dewpoint (°C)-4.7-1.5-7.41.0
4M Primary Mirror (°C)11.612.011.10.2

Weather Comments: A clear and calm night with low humidity between 20-30%.
Recognized Hours: ( 10.5 )      18 degree twilight + 0.5 hr.

Observer Information
Telescope Observer Prop. # Instrument Detector Seeing
4 MeterNo Observer --- N/A N/A N/A
WIYNColon - remote - 2019B-0280 WHIRC N/A 1.0
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)
10.5 T and E        
10.5 Scientific Research      
0.0 Scientific Research      
0.0 Scientific Research      
0.0 Scientific Research      

Observing Status
4 MeterT&E, no nighttime operations.
WIYNAnother productive and smooth night of WHIRC observing. Seeing Range: 1.0-1.5 arcsec, Median: 1.0 arcsec.
2.1 MeterNot Scheduled
FeedNot Scheduled
0.9 MeterNot Scheduled

CommentsAnother great night of observing at WIYN.

Reported by:Amy Robertson

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