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LTO Report

Kitt Peak Nightly LTO Report For UT: 2015-03-30

Report Time (MST): 04:49                    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)-4.8-3.1-7.51.1
Relative humidity (%)2530182.8
Wind Speed (mph)
Wind Direction (°)213350542.4
4M Dome Temperature (°C)14.916.414.30.4
4M Dome Dewpoint (°C)-4.4-3.1-6.41.0
4M Primary Mirror (°C)14.915.214.70.1

Weather Comments: Cirrus for the first few hours of the night, quite thick at times gave way to much thicker clouds after 10pm. Light wind out of the sw
Recognized Hours: ( 9.25 )      18 degree twilight + 0.5 hr.

Observer Information
Telescope Observer Prop. # Instrument Detector Seeing
4 MeterLee, Xue, Shi 2015A-0168 NEWFIRM N/A 1.6
WIYN1st half - Allen(remote), 2nd half -Ponder(remote) --- WHIRC N/A 1.4
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)
2.5 Scientific Research 6.75 Weather 22:00 - 06:00
1.0 Scientific Research 8.25 Weather 22:00 - 06:00
0.0 Scientific Research      
0.0 Scientific Research      
0.0 Scientific Research      

Observing Status
4 MeterPoor quality data taken through the clouds. Seeing ranged from 1.2 to 1.6
WIYNSeeing ranged from 1.1 to 1.7
2.1 MeterNot Scheduled
FeedNot Scheduled
0.9 MeterNot Scheduled

CommentsA long night of watching the clouds after 10pm

Reported by:Karen Butler

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