Date: Sat, 16 Apr 2011 06:12:53 -0600 (MDT) Subject: 3.5m Night Log 20110415 From: jwhueh@apo.nmsu.edu Apache Point Observatory 3.5m Telescope Night Log Friday, April 15, 2011 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- W.Ketzeback J.Huehnerhoff ECHELLE 19:15 20:30 C.Blake C.Blake ECHELLE 20:30 06:10 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B -------------------------------------------------------------------- DD03/O 19:42 20:42 0 0 0 0 0.0 1.0 0 0 PU01/R 20:42 06:24 0 0 0 0 1.1 8.6 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: J.Huehnerhoff Light clouds at start of night clearing after 2100MT. Slightly elevated, but stable dust levels the entire night. No problems with the telescope, occasional ecam error with no impact on observing. ------- 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 -------------------------------------------------------------------------- 19:43 ECHELLE 200(-1069) 239 51 8.1 9.5 8.7 8.6 8.6 ND3 1.02 20:32 ECHELLE 150(-1183) 253 71 8.2 8.5 8.3 7.9 8.0 clear 1.00 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 48 2 18 353 (N) 5979 mstly clr none 17:00 52 6 2 318 (NW) 5200 mstly clr none 18:00 48 3 15 338 (NNW) 4975 mstly clr none 19:00 46 1 7 347 (NNW) 5032 mstly clr none 20:00 46 2 14 43 (NE) 4790 mstly clr none 21:00 46 2 18 22 (NNE) 4628 clear none 22:00 46 1 15 19 (NNE) 4634 clear none 23:00 46 2 17 26 (NNE) 4727 clear none 00:00 45 1 15 24 (NNE) 4789 clear none 01:00 45 1 2 334 (NNW) 4687 clear none 02:00 44 0 2 341 (NNW) 5070 clear none 03:00 43 -1 9 330 (NNW) 5019 clear none 04:00 43 -1 10 307 (NW) 5060 clear none 05:00 42 -1 6 270 (W) 5128 clear none 06:00 43 -1 5 257 (WSW) 5811 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: 1.8.7