LTO Reports

KPNO LTO Reports
are available here        

Click here for last night's (141122) :

Or, enter desired date (yymmdd):


LTO Report

Kitt Peak Nightly LTO Report For UT: 2014-11-22

Report Time (MST): 05:32                    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 (°)000
4M Dome Temperature (°C)
4M Dome Dewpoint (°C)-4.2-1.8-7.31.5
4M Primary Mirror (°C)

Weather Comments: rain,high humidity until 11pm, then mostly clear the rest of the night
Recognized Hours: ( 11.25 )      18 degree twilight + 0.5 hr.

Observer Information
Telescope Observer Prop. # Instrument Detector Seeing
4 MeterYang, Pharo 2013B-0528 NEWFIRM N/A 1.4
WIYNEigenbrot 1st 1/2,Keel 2nd 1/2 2014B-0456/2014B-0169 GRADPAK/HEXPAK STA1 1.2
2.1 MeterNo Observer --- N/A N/A N/A
FeedNo Observer --- N/A N/A N/A
0.9 MeterRomanishin, 2014B-0068 HDI N/A 2.0

Time Usage During The Night
Telescope Hours Used Night's Activity   Hours Lost Time Lost
Due To:
Time of
Night (MST)
7.0 Scientific Research 4.25 Weather 19:30 - 23:00
7.0 Scientific Research 4.25 Weather 19:30 - 23:00
0.0 Scientific Research      
0.0 Scientific Research      
7.0 Scientific Research 4.25 Weather 19:30 - 23:00

Observing Status
4 MeterNo problems, guider found stars right off
WIYNseeing ranged from 1 to 1.5 arc sec
2.1 MeterNot Scheduled
FeedNot Scheduled
0.9 MeterNo problems

Commentseven a little snow fell around 5 PM.

Reported by:Hal Halbedel

Weather Plots