Subject: 3.5m Night Log 20241221 From: ajt@apo.nmsu.edu Date: Sun, 22 Dec 2024 13:59:01 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Saturday, December 21, 2024 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- OU03 G.Garcia G.Garcia UW06 C.Chandler M.Frissell ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- OU03 KOSMOS 17:12 23:55 UW06 ARCTIC 00:10 06:09 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- OU03/R 17:10 00:10 0 0 0 0 6.2 0.7 0 0 UW06/R 00:10 06:54 0 0 0 0 0.0 6.7 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: A.Townsend Good seeing, clear night, no telescope or instrument problems. ------- 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 -------------------------------------------------------------------------- 17:52 kosmos 150( 898) -13 52 6.6 9.3 8.4 9.6 7.4 -- 1.08 00:21 arctic 272( 921) -46 64 5.9 5.3 6.2 5.5 5.7 CUVR 0.67 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 50 8 7 253 (WSW) 594 clear none 17:00 45 13 2 203 (SSW) 835 clear none 18:00 44 13 7 114 (ESE) 903 clear none 19:00 46 12 2 199 (SSW) 831 clear none 20:00 46 8 1 222 (SW) 706 clear none 21:00 46 -1 7 337 (NNW) 239 clear none 22:00 44 -2 6 336 (NNW) 254 clear none 23:00 44 -2 8 327 (NNW) 268 clear none 00:00 44 0 12 330 (NNW) 533 clear none 01:00 43 4 9 317 (NW) 787 clear none 02:00 44 10 5 321 (NW) 1004 clear none 03:00 43 6 7 355 (N) 959 clear none 04:00 41 6 8 356 (N) 1071 clear none 05:00 42 7 10 359 (N) 973 clear none 06:00 41 6 6 359 (N) 802 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