Subject: 3.5m Night Log 20230210 From: cgray@apo.nmsu.edu Date: Sat, 11 Feb 2023 13:56:11 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Friday, February 10, 2023 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- UW04 J.Birky J.Birky WY01 A.Cavanaugh A.Cavanaugh ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- UW04 ECHELLE 17:53 22:17 UW04 KOSMOS 22:19 23:56 WY01 TSPEC 00:09 06:35 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- UW04/R 17:53 00:10 0 0 0 0 4.5 1.8 0 0 WY01/R 00:10 06:42 0 0 0 0 0.0 6.5 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: C.Gray The night started clear with TERRIBLE seeing. Then the wind picked up, gusting around 32 mph. However, the wind eventually shifted seeing improved for B half. Some clouds started rolling in a little after 3am. 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 -------------------------------------------------------------------------- 18:05 ecamera 702( -416) 41 70 10.0 -1.4 -2.9 -2.1 -2.3 ND1 2.45 19:41 ecamera 396( -740) -112 53 10.0 -1.9 -2.7 -3.1 -2.8 ND1 1.99 21:28 kosmos 408( 333) -28 49 10.0 -1.8 -2.0 -2.4 -2.0 -- 2.51 00:18 tcamera 358( 485) 97 32 10.0 -2.0 -2.5 -3.2 -2.0 Ks 0.94 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 9 109 (ESE) 674 clear none 17:00 3 157 (SSE) 576 clear none 18:00 2 342 (NNW) 332 clear none 19:00 8 55 (NE) 331 clear none 20:00 23 74 (ENE) 364 clear none 21:00 24 68 (ENE) 444 clear none 22:00 2 219 (SW) 390 clear none 23:00 2 223 (SW) 281 clear none 00:00 6 95 (E) 276 clear none 01:00 10 84 (E) 278 clear none 02:00 1 253 (WSW) 301 clear none 03:00 9 85 (E) 383 clear none 04:00 6 102 (ESE) 296 mstly clr none 05:00 5 137 (SE) 225 mstly clr none 06:00 11 140 (SE) 241 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: 2.6.0