Subject: 3.5m Night Log 20230126 From: mcmillan@apo.nmsu.edu Date: Fri, 27 Jan 2023 13:46:10 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Thursday, January 26, 2023 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- CU06 J.Bally J.Bally OU05 A.Moss A.Moss ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- CU06 ARCTIC 17:48 22:08 CU06 NICFPS 22:23 00:10 OU05 Agile 00:13 06:30 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- CU06/R 17:39 00:10 0 0 0 0 0.9 5.6 0 0 OU05/R 00:10 06:53 0 0 0 0 6.7 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: R.McMillan We had a few low clouds at the start of the night and hints that humidity might spike, but by the end of twilight it was clear and soon after that it was dry. The minimun temp of -10.7 C early in the night did not cause the ARCTIC shutter to freeze, and later the temperature got warmer. There was some trouble with the Agile heartbeat in the afternoon, but it was fine for spot checks in the evening and near-continuous use throughout second half. NICFPS also behaved, making for a trouble-free night. ------- 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 -------------------------------------------------------------------------- 18:10 arctic 314( 85) 95 74 10.0 -5.8 -6.9 -6.4 -7.6 S-II 1.42 18:44 arctic 307( 22) 59 66 10.0 -7.2 -7.6 -7.8 -8.7 S-II 1.62 18:48 NA2gdr -427(37572) 57 66 10.0 -7.1 -7.6 -7.9 -8.6 R 1.97 20:30 arctic 346( -36) -18 75 10.0 -9.1 -8.8 -9.5 -9.2 S-II 1.51 22:30 NICFPS 378( 407) -29 48 10.0 -9.1 -8.5 -9.2 -8.8 H2-2.12 1.09 00:25 AGILE 460(-2176) -37 82 10.0 -9.5 -8.8 -9.3 -9.0 BG40 1.21 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 9 299 (WNW) 265 ptly cldy none 17:00 6 279 (W) 262 mstly clr none 18:00 5 283 (WNW) clear none 19:00 11 297 (WNW) 172 clear none 20:00 14 340 (NNW) 234 clear none 21:00 5 2 (N) 69 clear none 22:00 14 1 (N) 74 clear none 23:00 19 6 (N) 125 clear none 00:00 12 28 (NNE) 90 clear none 01:00 18 5 (N) 99 clear none 02:00 12 353 (N) 61 clear none 03:00 16 25 (NNE) 74 clear none 04:00 14 11 (N) 69 clear none 05:00 21 12 (NNE) 144 clear none 06:00 11 28 (NNE) 68 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 SOFTWARE ---------- Current TCC version: 1.4.2 Current HUB version: v20171231_01 Current TUI version: 2.6.0