Subject: 3.5m Night Log 20211231 From: trudyk@apo.nmsu.edu Date: Fri, 1 Jan 2021 13:24:35 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Thursday, December 31, 2021 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- NM01 D.DeColibus D.DeColibus FG02 D.Buzasi D.Buzasi AP01 T.Murphy R.Mcmillan WY02 J.McLane J.McLane ACTUAL PROG INSTRUMENT START FINISH -------------------------------------------------------------------- NM01 Tspec 17:17 23:58 FG02 Echelle 00:02 02:55 AP01 Apollo 03:00 04:21 WY02 Tspec 04:23 06:57 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- NM01/R 17:17 00:10 0 0 0 0 1.1 5.8 0 0 FG02/R 00:10 03:10 0 0 0 0 0 3.0 0 0 AP01/R 03:10 04:20 0 0 0 0 0 1.2 0 0 WY02/R 04:20 06:57 0 0 0 0 0 2.6 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.Rudyk Evening started out mostly clear with poor seeing. It became clear around 18:00. Some thin clouds around 00:00. They cleared out by 01:00. More clouds came in around 06:00. We stayed open all night regardless. ------- FAILURE LOG ------- FAILURE MODE TIME PROG INSTR TI/SHU START FINISH DESCRIPTION ---------------------------------------------------------------------- ---------------- FOCUS LOG --------------- Time Instrument Focus Az El Temp Strc Prim Sec Air filt FWHM -------------------------------------------------------------------------- 17:30 tcamera 743( 878) 68 58 -4.6 -0.3 -1.2 -0.4 -3.0 - 1.62 00:05 ecamera 441( -910) -146 63 -3.7 -4.2 -3.5 -4.4 -4.1 ND1 1.36 03:11 APOLLO 475( 790) 11 69 -5.7 -6.0 -5.3 -6.2 -5.8 530 1.00 04:30 tcamera 364( 437) 12 62 -7.2 -6.7 -6.0 -7.0 -7.0 - 1.17 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 25 5 1 351 (N) 273 mstly clr none 17:00 29 2 4 14 (NNE) 240 mstly clr none 18:00 27 -2 10 3 (N) 309 clear none 19:00 25 -7 11 27 (NNE) 210 clear none 20:00 26 -9 16 21 (NNE) 96 clear none 21:00 27 -18 9 31 (NNE) 63 clear none 22:00 26 -16 15 17 (NNE) 73 clear none 23:00 26 -19 2 19 (NNE) 54 mstly clr none 00:00 26 -14 1 332 (NNW) 83 mstly clr none 01:00 24 -7 6 223 (SW) 133 clear none 02:00 22 -3 5 194 (SSW) 169 clear none 03:00 21 -2 5 195 (SSW) 174 clear none 04:00 21 0 7 185 (S) 154 clear none 05:00 19 0 1 150 (SSE) 156 clear none 06:00 20 1 2 125 (SE) 146 ptly cldy 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 SOFTWARE ---------- Current TCC version: 1.4.2 Current HUB version: v20171231_01 Current TUI version: 2.6.0