KPNO LTO Report for 091122

KPNO LTO REPORT UT DATE: 2009/11/22 Weather: Clear and calm all night. Recognized Hours: 11.25 (Twilight to Twilight "18 degree" plus 0.5) Report Time: 05:30 Telescope Observer Instrument Detector Time used Seeing ----------------------------------------------------------------------------- 4 meter: Nakajima, Plazas Malagon MOSAIC N/A 11.25 0.7" - 2" WIYN: Martin WHIRC N/A 11.25 0.45" - 2" 2 meter: Mueller, Samarasinha CFIM T2KB 11.25 1" - 2" Feed: No Observer N/A N/A N/A N/A W0.9m: Cummings CFIM S2KB 11.25 1.5" - 2.5" Observing Status: 4 meter: No problems. WIYN: No problems. 2 meter: No problems that affected observing. The observers noted that the dec preload turned itself off at the white spot. They'll write up details in service. Feed: Not Scheduled. W0.9m: No technical problems. Calypso: Checked In: (No), Checked Out: (No) Comments: Seeing highly unstable in the first half of the night, but settled down during the second half. Reported by: Dave Summers Weather Averages: ---------------------------------------- Temp. C Humidity Wind-mph Direction 8.55 27.08% 6.16 216.79 Weather Data - approximately every half hour: ---------------------------------------------------------------------------- Date Time Temp. C Humidity Wind-time Wind-mph Direction Sat Nov 21 2009 18:00 8.8 35.6 18:01 7.2 235.5 Sat Nov 21 2009 18:30 9.0 33.4 18:31 1.5 222.3 Sat Nov 21 2009 19:00 9.2 30.7 19:01 6.2 200.7 Sat Nov 21 2009 19:30 10.9 17.1 19:31 2.7 188.8 Sat Nov 21 2009 20:00 10.5 13.3 20:02 .2 301.5 Sat Nov 21 2009 20:30 9.6 19.0 20:32 1.2 456.3 Sat Nov 21 2009 21:00 8.0 35.4 21:02 3.6 222.1 Sat Nov 21 2009 21:30 7.5 36.5 21:32 3.9 255.0 Sat Nov 21 2009 22:00 7.4 39.0 22:02 .4 258.7 Sat Nov 21 2009 22:30 7.5 37.8 22:32 1.5 249.8 Sat Nov 21 2009 23:00 7.7 37.6 23:02 2.1 224.7 Sat Nov 21 2009 23:30 8.2 39.1 23:32 10.5 182.0 Sun Nov 22 2009 00:00 8.4 27.3 00:00 11.8 183.0 Sun Nov 22 2009 00:30 7.9 39.3 00:30 11.1 183.3 Sun Nov 22 2009 01:00 7.6 43.8 01:00 9.6 178.5 Sun Nov 22 2009 01:30 8.0 29.8 01:30 11.3 173.3 Sun Nov 22 2009 02:00 8.6 21.8 02:00 8.6 170.4 Sun Nov 22 2009 02:30 8.2 15.6 02:30 10.4 177.2 Sun Nov 22 2009 03:00 8.6 14.5 03:00 9.6 183.3 Sun Nov 22 2009 03:30 8.8 13.7 03:30 3.5 223.1 Sun Nov 22 2009 03:59 9.3 18.8 04:00 7.3 187.0 Sun Nov 22 2009 04:29 8.8 18.1 04:30 6.8 179.6 Sun Nov 22 2009 04:59 8.4 14.9 05:00 8.3 184.6 Sun Nov 22 2009 05:29 8.3 17.7 05:30 8.5 182.2 For access to all LTO-Reports go to: http://www-kpno.kpno.noao.edu/cgi-bin/ltoreport

previous night was 091121

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