Date: Sat, 9 Apr 2011 12:06:45 -0000 (UTC) Subject: 3.5m Night Log 20110408 From: "Gabrelle Saurage" Apache Point Observatory 3.5m Telescope Night Log Friday, April 08, 2011 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- A.Kowalski A.Kowalski DIS 19:50 01:10 M.Gladders M.Gladders DIS 01:10 06:20 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B -------------------------------------------------------------------- UW01/R 19:37 01:10 0 0 0 0 0.7 4.9 0 0 UC02/R 01:10 06:33 0 0 0 0 5.4 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: G.Saurage Clear but hazy. Winds crossed closure limit a few times but we stayed open and observed away from the wind direction. No 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 -------------------------------------------------------------------------- 20:16 dis-slit 455( 163) 121 61 8.5 10.3 8.8 9.1 9.1 1.32 21:39 dis-slit 186( -181) 34 75 8.5 8.8 8.7 8.1 8.3 1.58 01:17 dis-slit 207( -262) -42 70 6.9 6.8 7.2 6.7 6.8 1.30 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 56 22 15 227 (SW) 1302 clear none 17:00 56 22 19 212 (SSW) 1113 clear none 18:00 54 21 15 206 (SSW) 1368 clear none 19:00 51 20 19 234 (SW) 1404 clear none 20:00 47 20 12 200 (SSW) 1358 clear none 21:00 47 21 13 225 (SW) 1396 clear none 22:00 48 22 15 245 (WSW) 1623 clear none 23:00 46 20 12 248 (WSW) 4881 clear none 00:00 45 21 15 231 (SW) 2247 clear none 01:00 44 22 13 208 (SSW) 1739 clear none 02:00 44 22 15 211 (SSW) 1805 clear none 03:00 43 22 17 203 (SSW) 1777 clear none 04:00 43 22 25 201 (SSW) 1391 clear none 05:00 43 24 22 213 (SSW) 1293 clear none 06:00 42 24 26 203 (SSW) 1371 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: 2.14.0 Current TUI version: 1.8.6