Date: Sun, 13 Apr 2008 12:38:23 -0000 (UTC) Subject: 3.5m Night Log 20080412 From: "Gabrelle Saurage" Apache Point Observatory 3.5m Telescope Night Log Saturday, April 12th, 2008 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH ------------------------------------------------------------------- A.Reines A.Reines,T.Thuan DIS 19:45 01:05 G.Wallerstein K.Kinemuchi DIS 01:08 06:40 INST SCHED(TWILIGHT) WEATH EQUIP OBS DAY NOT USED I/ROW/DN START FINISH D B D B D B USE D B --------------------------------------------------------------------- UV02/R 20:27 01:05 0 0 0 0 0 4.6 0 0 0 UW12/R 01:05 05:40 0 0 0 0 2.8 1.8 0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialists: G.Saurage Clear night; low dust, moderate winds and seeing. 2nd half observer could not download guider images (see PR #599), but everything was fine APO side. ------- 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 ----------------------------------------------------------------- 19:26 dis-slit 373( 181) 123 66 4.3 4.2 1.8 4.0 4.1 1.52 21:57 dis-slit 87(-130) 133 58 3.7 3.6 3.8 3.0 3.4 1.21 00:14 dis-slit 52(-204) 198 51 2.5 2.6 2.3 2.2 2.4 1.28 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------- 16:00 38 10 5 358 (N) 1288 clear none 17:00 39 12 6 326 (NW) 1279 clear none 18:00 37 10 7 359 (N) 1103 clear none 19:00 35 11 3 284 (WNW) 1246 clear none 20:00 35 11 21 26 (NNE) 1229 clear none 21:00 41 0 19 4 (N) 886 clear none 22:00 40 0 9 30 (NNE) 955 clear none 23:00 39 1 19 358 (N) 940 clear none 00:00 38 1 7 4 (N) 972 clear none 01:00 37 2 16 10 (N) 992 clear none 02:00 36 2 14 30 (NNE) 1254 clear none 03:00 37 2 19 36 (NE) 1041 clear none 04:00 34 2 14 61 (ENE) 847 clear none 05:00 33 4 22 66 (ENE) 1077 clear 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: 2.9.1 Current TUI version: TUI 1.4.5