Subject: 3.5m Night Log 20240508 From: cgray@apo.nmsu.edu Date: Thu, 9 May 2024 11:46:33 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Wednesday, May 08, 2024 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- NM05 M.Croom M.Croom UW05 C.Orion C.Orion, W.Oldroyd ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- NM05 KOSMOS 19:59 01:00 UW05 ARCTIC 01:14 05:25 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- NM05/R 19:59 01:10 0 0 0 0 4.2 1.0 0 0 UW05/R 01:10 06:00 0 0 0 0 4.8 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: C.Gray The afternoon was windy but things calmed down before sunset and we were able to open on time. Interestingly, there were no dust issues tonight! Seeing was moderate and there were some clouds rolling in for a few hours in A half. No problems tonight. ------- 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 -------------------------------------------------------------------------- 19:30 khigh 455( 1383) 192 45 11.1 12.0 11.7 11.5 10.9 -- 1.66 00:25 arctic 386( 1249) 266 25 9.7 9.2 9.8 9.1 9.4 CUVR 1.62 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 58 16 21 254 (WSW) 2345 clear none 17:00 61 17 34 263 (W) 2383 clear none 18:00 57 15 19 265 (W) 2241 clear none 19:00 55 14 20 252 (WSW) 2347 clear none 20:00 52 13 11 270 (W) 2416 clear none 21:00 52 13 9 268 (W) 2568 mstly clr none 22:00 51 13 13 296 (WNW) 2391 mstly clr none 23:00 51 13 20 267 (W) 2447 ptly cldy none 00:00 50 14 17 273 (W) 2555 mstly clr none 01:00 50 14 17 279 (W) 2415 mstly clr none 02:00 49 16 12 258 (WSW) 2412 clear none 03:00 49 17 16 276 (W) 2689 clear none 04:00 46 17 16 263 (W) 2633 clear none 05:00 46 18 14 262 (W) 2638 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