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LTO Report

Kitt Peak Nightly LTO Report For UT: 2020-01-22

Report Time (MST): 04:26                    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)
Dewpoint Temperature (°C)
Relative humidity (%)8791801.8
Wind Speed (mph)
Wind Direction (°)2432391521.2
4M Dome Temperature (°C)
4M Dome Dewpoint (°C)
4M Primary Mirror (°C)

Weather Comments: Fog all night, with 100% humidity and mild-strong winds out of the SW.
Recognized Hours: ( 11.25 )      18 degree twilight + 0.5 hr.

Observer Information
Telescope Observer Prop. # Instrument Detector Seeing
4 MeterElliot, Weaver, Flanning, Fagioli, Honscheid, Kent --- DESI N/A N/A
WIYNDeliyannis, Sun -remote- 2019B-0498 HYDRA STA1 N/A
2.1 MeterNo Observer --- N/A N/A N/A
FeedNo Observer --- N/A N/A N/A
0.9 MeterWard-Duong,Betti, Goldman, Hill,Henry,Rhatt 2019B-0929 HDI 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)
8.0 T and E   3.25 Weather 19:00 - 06:00
0.0 Scientific Research 11.25 Weather 19:00 - 06:00
0.0 Scientific Research      
0.0 Scientific Research      
0.0 Scientific Research 11.25 Weather 19:00 - 06:00

Observing Status
4 MeterDESI commissioning. Closed all night due to bad weather but managed to get some closed-dome testing.
WIYNClosed all night due to bad weather.
2.1 MeterNot Scheduled
FeedNot Scheduled
0.9 MeterClosed all night due to bad weather.

CommentsA long, wet and foggy night.

Reported by:Christian Soto

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