Date: Sun, 25 May 2008 11:42:17 -0000 (UTC) Subject: 3.5m Night Log 20080524 From: "Gabrelle Saurage" Apache Point Observatory 3.5m Telescope Night Log Saturday, May 24th, 2008 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH ------------------------------------------------------------------- M.Moe M.Moe DIS 20:10 01:09 D.Hoffman D.Hoffman DIS 01:12 05:45 INST SCHED(TWILIGHT) WEATH EQUIP OBS DAY NOT USED I/ROW/DN START FINISH D B D B D B USE D B --------------------------------------------------------------------- CU03/R 21:03 01:05 0 0 0 0 3.0 1.1 0 0 0 NM03.0/O 01:05 04:57 0 0 0 0 0 3.9 0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialists: G.Saurage During afternoon checkout tertiary clamps failed to close on a move, and the first attempt to home tert also failed. Relevant output info sent to Nick. Second home and subsequent move succeeded. Also, the rotator had to be zeroed since the controller was rebooted during the day after the controller error last night. Clear skies, low dust. Good seeing. Productive. ------- 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 ----------------------------------------------------------------- 19:47 dis-slit 281( 509) 230 72 12.2 12.8 12.2 11.9 11.8 0.92 00:18 dis-slit -32( 181) 96 34 10.0 11.6 11.8 10.4 10.8 1.73 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------- 16:00 60 24 27 213 (SSW) 2351 clear none 17:00 60 27 22 212 (SSW) 2975 clear none 18:00 60 25 18 187 (S) 2925 clear none 19:00 58 21 21 199 (SSW) 2390 clear none 20:00 54 19 16 205 (SSW) 1974 clear none 21:00 54 19 19 202 (SSW) 2073 clear none 22:00 56 17 19 204 (SSW) 1887 clear none 23:00 56 17 19 200 (SSW) 1799 clear none 00:00 55 17 10 228 (SW) 1718 clear none 01:00 53 18 3 243 (WSW) 1859 clear none 02:00 53 19 2 257 (WSW) 1866 clear none 03:00 52 19 5 287 (WNW) 1876 clear none 04:00 52 18 8 275 (W) 1542 clear none 05:00 50 18 2 282 (WNW) 1455 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