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LTO Report

Kitt Peak Nightly LTO Report For UT: 2014-04-20

Report Time (MST): 05:18                    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 (%)000
Wind Speed (mph)
Wind Direction (°)2884800.5
4M Dome Temperature (°C)
4M Dome Dewpoint (°C)-0.8-0.2-1.60.3
4M Primary Mirror (°C)11.411.911.00.2

Weather Comments: Clouds cleared off by 9:00pm to clear skies for the rest of the night
Recognized Hours: ( 8.5 )      18 degree twilight + 0.5 hr.

Observer Information
Telescope Observer Prop. # Instrument Detector Seeing
4 MeterGarnavich, Wiggins 2014A-0351 MOSAIC N/A 0.9
WIYNHaines, Smart(1st half -spspk -remote), Ponder (2nd half -whirc-remote) 2014A-0554/2012B-0500 WHIRC/SPARSEPAK STA1 0.7
2.1 MeterHarmer --- CFIM STA3 1.4
FeedNo Observer --- N/A N/A N/A
0.9 MeterWatson 2014A-0701 HDI S2KB 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 Scientific Research 0.5 Weather 20:30 - 21:00
8.0 Scientific Research   0.5 Weather 20:30 - 21:00
0.5 Extra Science Time        
2.0 Scientific Research   0.5 Weather 20:30 - 21:00
6.0 Other        
0.0 Scientific Research      
8.0 Scientific Research 0.5 Weather 20:00 - 21:00

Observing Status
4 MeterNo problems. Seeing excellent all night .85 to .9 most of the night
WIYNLost 15 minutes to a minor problem with a mop freeze otherwise a good night. Seeing was around 1 the first half of the night with sparspak and ranged between .5 and 1.1 the second half of the night with whirc
2.1 MeterNo problems
FeedNot Scheduled
0.9 MeterNo answer when called at 05:00

CommentsNice clear night with very good seeing.

Reported by:Karen Butler

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