Date: Mon, 25 Apr 2011 10:56:09 -0000 (UTC) Subject: 3.5m Night Log 20110424 From: "Gabrelle Saurage" Apache Point Observatory 3.5m Telescope Night Log Sunday, April 24, 2011 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- J.Gauthier J.Gauthier DIS 21:00 01:10 M.Strauss M.Shin DIS 01:13 03:40 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B -------------------------------------------------------------------- UC01/R 19:48 01:10 1.2 0 0 0 4.2 0.0 0 0 PU04/R 01:10 06:14 1.8 0 0 0 0 3.3 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: G.Saurage Windy and dusty most of the night. Mediocre seeing. At the beginning and end of the night the winds were high enough to close us, and dust kept us closed. No telescope problems. ------- FAILURE LOG ------- PROG INST FAILURE MODE TIME (SEDFNVOG) TI/SHU START FINISH DESCRIPTION ---------------------------------------------------------------------- ---------------- FOCUS LOG --------------- Time Instrument Focus Az El Temp Strc Prim Sec Air filt FWHM -------------------------------------------------------------------------- 21:03 dis-slit 244( -46) 153 78 8.8 10.4 9.9 9.6 9.2 1.51 01:19 dis-slit 258( -221) -97 54 6.3 6.3 6.7 6.2 6.3 1.90 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 50 20 32 254 (WSW) 3551 mstly clr dust 17:00 50 20 29 268 (W) 2692 mstly clr none 18:00 51 21 31 253 (WSW) 2517 mstly clr none 19:00 51 21 30 264 (W) 3126 mstly clr none 20:00 49 20 30 256 (WSW) 3185 mstly clr none 21:00 48 20 21 269 (W) 3874 mstly clr none 22:00 47 20 24 272 (W) 4168 mstly clr dust 23:00 46 18 21 272 (W) 3543 mstly clr none 00:00 44 18 20 290 (WNW) 3932 mstly clr none 01:00 44 19 30 266 (W) 3207 mstly clr none 02:00 42 19 22 269 (W) 3135 mstly clr none 03:00 41 21 25 263 (W) 2782 mstly clr none 04:00 40 14 19 275 (W) 3741 ptly cldy none Note: the wind was coming from the azimuth listed. The convention used is north=0 degrees, east=90 degrees. The dust count is particles > 1u per 0.1 cubic feet. TELESCOPE STATUS Telescope drives operational. Current TCC version: 2.14.0 Current TUI version: 1.8.7