Date: Fri, 7 May 2010 10:36:36 -0000 (UTC) Subject: 3.5m Night Log 20100505 From: "Gabrelle Saurage" Apache Point Observatory 3.5m Telescope Night Log Thursday, May 6, 2010 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- B.Keeney B.Keeney,J.Stocke DIS 20:25 01:16 L.Winter L.Winter DIS 01:16 01:50 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B -------------------------------------------------------------------- CU01/R 19:57 01:10 0 0 0 0 5.2 0 0 0 CU04/R 01:10 06:02 0 0 0 0 1.2 3.7 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: G.Saurage Mostly clear and windy going into second half. Az Motion errors at: UT06:49 x2, UT07:18 x3. Largely due to increasing winds. We closed soon after the last series, unable to open again due to 40 mph gusts. ------- 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 -------------------------------------------------------------------------- 20:40 dis-slit 264( 638) 176 80 14.6 15.8 15.0 14.9 14.8 1.41 21:03 dis-slit 192( 540) 172 63 14.3 15.2 14.6 14.0 14.1 1.58 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 60 8 21 250 (WSW) 638 clear none 17:00 64 11 23 253 (WSW) 595 clear none 18:00 61 8 27 237 (WSW) 1244 clear none 19:00 61 12 22 268 (W) 842 clear none 20:00 58 11 17 270 (W) 824 clear none 21:00 58 6 16 264 (W) 1809 clear none 22:00 56 5 17 279 (W) 1934 clear none 23:00 54 6 29 280 (W) 1980 clear none 00:00 54 7 23 274 (W) 1341 clear none 01:00 53 8 24 272 (W) 820 clear none 02:00 53 8 20 277 (W) 733 clear none 03:00 52 7 26 271 (W) 734 clear none 04:00 50 8 30 281 (W) 860 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: 2.11.1 Current TUI version: 1.7.1