Date: Sun, 1 Jun 2008 10:34:18 -0000 (UTC) Subject: 3.5m Night Log 20080531 From: "Gabrelle Saurage" Apache Point Observatory 3.5m Telescope Night Log Saturday, May 31, 2008 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH ------------------------------------------------------------------- G.Williger D.Bonfield,G.Hilton GFP 21:00 01:05 B.Woodgate D.Bonfield,G.Hilton GFP 01:05 02:50 INST SCHED(TWILIGHT) WEATH EQUIP OBS DAY NOT USED I/ROW/DN START FINISH D B D B D B USE D B --------------------------------------------------------------------- JH07/O 21:09 01:05 0 0 0 0 3.9 0 0 0 0 DD02/O 01:05 04:53 0.8 1.2 0 0 1.8 0 0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialists: G.Saurage Az Velo Scales: 579.5, 577.0; 578.3 (changed to 578) Clear skies, low dust. Good seeing. GFP folks battled with the instrument most of first half. At 02:30 pollen was noticeable in the air and cars; it became significant enough to close by 02:50. Never reopened. ------- 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 ----------------------------------------------------------------- 21:48 GFP 150(891) 266 68 17.4 18.2 18.5 17.0 17.5 0.73 00:39 GFP 200(920) 353 31 17.0 16.8 17.2 16.1 16.5 0.98 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------- 16:00 75 15 24 227 (SW) 1342 clear none 17:00 74 15 7 245 (WSW) 1525 clear none 18:00 73 14 15 211 (SSW) 1405 clear none 19:00 70 13 23 237 (WSW) 1277 clear none 20:00 65 11 15 238 (WSW) 1334 clear none 21:00 64 11 11 252 (WSW) 1474 clear none 22:00 64 8 10 251 (WSW) 1361 clear none 23:00 64 5 8 265 (W) 1155 clear none 00:00 63 4 8 264 (W) 979 clear none 01:00 63 1 8 264 (W) 924 clear none 02:00 63 1 6 278 (W) 853 clear none 03:00 62 0 10 284 (WNW) 960 clear none 04:00 63 1 10 303 (WNW) 825 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