Subject: 3.5m Night Log 20241223 From: cgray@apo.nmsu.edu Date: Tue, 24 Dec 2024 14:05:24 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Monday, December 23, 2024 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- UW06 C.Chandler M.Frissell BY02 S.Call S.Call JH05 C.Ingebretsen C.Ingebretsen, B.Bolin ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- UW06 ARCTIC 17:45 18:26 UW06 ARCTIC 18:46 00:04 BY02 TripleSpec 00:14 01:26 JH05 ARCTIC 01:41 06:47 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- UW06/R 17:11 00:10 0 0 0.3 0 6.7 0.0 0 0 BY02/R 00:10 01:40 0 0 0 0 1.1 0.4 0 0 JH05/R 01:40 06:55 0 0 0 0 0.0 5.2 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: C.Gray The night started out with some light clouds but weren't an issue. Thicker clouds came later and they were extremely annoying!! The seeing wasn't great tonight but it's supposed to be much worse on Christmas. We had an arctic issue around 6:30 pm. We ran out of wrap on arctic so I Paused the user's sequence, spun arctic, then realized the sequence was useless and Stopped it. However, that seems to be a bad combination as it caused arctic to not take exposures. I was forced to restart the ICC and issue an arctic init. So, now we have a dropped quad. Bill says he will come in on Christmas Eve to fix it :( ------- FAILURE LOG ------- FAILURE MODE TIME PROG INSTR TI/SHU START FINISH DESCRIPTION ---------------------------------------------------------------------- UW06 arctic I/S 18:26 18:46 arctic failed exp, needed to init and dropped quad ---------------- FOCUS LOG --------------- Time Instrument Focus Az El Temp Strc Prim Sec Air filt FWHM -------------------------------------------------------------------------- 17:57 arctic 215( 958) 52 59 5.0 7.3 7.0 7.0 5.8 CUVR 1.17 19:51 arctic 292( 950) -21 48 5.9 5.3 5.8 5.0 5.3 CUVR 1.68 00:19 tcamera 269( 1008) -131 67 5.0 4.1 4.6 4.0 4.4 -- 1.42 01:54 arctic 313( 895) -46 70 3.9 4.0 4.6 3.9 4.0 sdss-r 1.41 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 44 21 11 304 (NW) 519 mstly clr none 17:00 43 20 6 258 (WSW) 650 mstly clr none 18:00 41 17 7 264 (W) 554 clear none 19:00 41 14 7 273 (W) 883 clear none 20:00 43 11 12 287 (WNW) 883 ptly cldy none 21:00 42 11 13 269 (W) 734 mstly cldy none 22:00 41 14 9 265 (W) 664 mstly cldy none 23:00 41 14 9 268 (W) 757 mstly clr none 00:00 38 12 1 348 (NNW) 775 clear none 01:00 41 15 10 358 (N) 821 clear none 02:00 39 13 12 14 (NNE) 958 clear none 03:00 40 22 7 347 (NNW) 713 clear none 04:00 38 18 6 6 (N) 806 clear none 05:00 38 21 14 24 (NNE) 842 clear none 06:00 37 17 12 21 (NNE) 1043 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: 3.1.5