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LTO Report

Kitt Peak Nightly LTO Report For UT: 2016-10-24

Report Time (MST): 05:50                    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)17.318.116.40.3
Dewpoint Temperature (°C)
Relative humidity (%)4552402.2
Wind Speed (mph)
Wind Direction (°)1352371980.8
4M Dome Temperature (°C)17.117.616.20.3
4M Dome Dewpoint (°C)
4M Primary Mirror (°C)17.017.416.20.3

Weather Comments: It was mostly cloudy during twilight and into the start the of the night. After 21:30 it was mostly clear and calm. Nonthreatening clouds lingered again around midnight.
Recognized Hours: ( 10.75 )      18 degree twilight + 0.5 hr.

Observer Information
Telescope Observer Prop. # Instrument Detector Seeing
4 MeterWold, Devarakonda 2013B-0236 NEWFIRM N/A 1.0
WIYNKotulla 2016B-0190/2016B-0620 ODI/WHIRC N/A 0.7
2.1 MeterSzafruga 2015B-3001 Visitor 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)
7.75 Scientific Research 3.0 Weather 19:00 - 00:30
8.25 Scientific Research 2.5 Weather 19:00 - 21:30
6.75 Scientific Research 4.0 Weather 19:00 - 00:30
0.0 Scientific Research      
0.0 Scientific Research      

Observing Status
4 MeterNo technical issues. Lost about 3 hrs total throughout the night to the clouds. Seeing measured in the J and K bands between 0.8 and 1.2 arc-seconds, with a typical value of 1
WIYNNo technical issues. Lost the first 2.5 hours to the clouds. Used ODI all night. Seeing mesured between 0.5 and 1.2 arc-seconds, with a typical value of 0.7.
2.1 MeterNo technical issues. Lost about 4 hrs total throughout the night to the clouds.
FeedNot Scheduled
0.9 MeterNot Scheduled

CommentsDespite the pesky clouds, it was a good productive night.

Reported by:Christian Soto

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