Subject: 3.5m Night Log 20251117 From: tmcquaid@apo.nmsu.edu Date: Tue, 18 Nov 2025 13:03:18 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Monday, November 17, 2025 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- OU04 G.Garcia G.Garcia, GS01 D.Michael J.Falcone,M.Davis ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- OU04 NICFPS 17:09 00:00 GS01 KOSMOS 00:23 05:33 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- OU04/R 17:09 00:10 0 0 0 0 7.0 0.0 0 0 GS01/R 00:10 06:28 0 0 0 0 5.0 1.3 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.McQuaid 15:30 - Had to restart gcam icc due to exposures failing Swapped from NICFPS to KOSMOS at 00:01 Restarted DATAQ at 01:10 Closed dome for truss flats at 05:33 ------- 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 -------------------------------------------------------------------------- 17:32 NICFPS 608( 1373) 29 68 4.1 5.7 5.8 5.2 4.3 MK-J 1.27 18:23 NA2gdr 49828(49828) -4 71 3.8 4.4 4.9 4.1 3.8 -- 1.58 18:24 NICFPS 546( 1246) -6 70 3.8 4.4 4.9 4.1 3.8 MK-J 1.51 00:42 khigh 466( 737) 14 52 3.6 3.5 4.1 3.5 3.6 -- 1.19 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 45 31 12 266 (W) 481 mstly clr none 17:00 41 31 13 263 (W) 499 mstly clr none 18:00 39 31 14 240 (WSW) mstly clr none 19:00 39 30 18 240 (WSW) mstly clr none 20:00 40 30 23 271 (W) 390 mstly clr none 21:00 39 30 13 266 (W) 381 mstly clr none 22:00 40 30 13 265 (W) mstly clr none 23:00 40 31 19 268 (W) mstly clr none 00:00 40 31 13 262 (W) mstly clr none 01:00 38 31 14 291 (WNW) mstly clr none 02:00 39 31 14 276 (W) mstly clr none 03:00 39 31 12 287 (WNW) mstly clr none 04:00 39 30 16 267 (W) mstly clr none 05:00 38 30 12 273 (W) mstly clr 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: 3.1.8