Date: Mon, 28 Feb 2011 12:56:12 -0000 (UTC) Subject: 3.5m Night Log 20110227 From: "Gabrelle Saurage" Apache Point Observatory 3.5m Telescope Night Log Sunday, February 27, 2011 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- W.Ketzeback G.Saurage ECHELLE --:-- --:-- S.Bickerton S.Bickerton DIS 20:40 06:15 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B -------------------------------------------------------------------- NM05/R 18:07 19:07 1.0 0.0 0 0 0 0 0 0 PU06/R 19:07 06:24 1.5 0 0 0 7.3 2.5 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: G.Saurage Light snow in the afternoon. High dust (>35K) and high winds (>40mph) first half delayed opening. Dust and winds dropped dramatically after 20:00. Clear skies rest of night with poor seeing. ------- 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 -------------------------------------------------------------------------- 04:03 dis-slit -418(-1489) 151 36 -8.9 -6.3 -6.3 -7.9 -7.9 4.39 05:14 dis-slit -70(-1281) 156 80 -9.2 -8.3 -8.3 -9.2 -9.1 2.01 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 20 10 28 267 (W) 5088 cloudy dust 17:00 21 5 37 270 (W) 24627 cloudy dust 18:00 20 0 34 268 (W) 63928 ptly cldy dust 19:00 18 0 24 290 (WNW) 42172 ptly cldy dust 20:00 17 1 21 337 (NNW) 5746 mstly clr dust 21:00 16 3 11 313 (NW) 856 clear none 22:00 15 4 9 353 (N) 779 clear none 23:00 16 6 9 16 (NNE) 222 clear none 00:00 20 3 18 5 (N) 175 clear none 01:00 22 6 27 35 (NE) 470 clear none 02:00 29 0 26 21 (NNE) 232 clear none 03:00 30 0 20 70 (ENE) 566 clear none 04:00 29 4 15 81 (E) 897 clear none 05:00 35 -6 2 238 (WSW) 323 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