Subject: 3.5m Night Log 20230402 From: mcmillan@apo.nmsu.edu Date: Mon, 3 Apr 2023 11:48:31 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Sunday, April 02, 2023 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- EN01 B.Ketzeback R.McMillan ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- EN01 SHACK 19:34 21:35 EN01 DIS 21:37 21:47 EN01 SHACK 21:49 23:18 EN01 DIS 23:20 23:42 EN01 SHACK 23:54 01:07 EN01 TSPEC 01:10 02:25 EN01 GUIDER 02:28 05:20 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- EN01/R 19:32 06:40 0 0 0 0 0.8 10.3 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: R.McMillan A nice clear night, but some variable seeing. I took data of the telescope's cooling patterns, checked on some issues with DIS and Tspec, and took a pointing model. ------- 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 -------------------------------------------------------------------------- 23:28 dcamera 460( 561) 74 69 10.0 5.8 6.5 5.7 6.1 - 1.67 01:23 tcamera 416( 881) 135 68 10.0 5.7 6.4 5.6 6.2 Ks 1.56 02:35 guider 381( 747) 170 76 10.0 5.8 6.5 5.8 6.2 Clear 1.43 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 7 263 (W) 990 clear none 17:00 21 266 (W) 1040 clear none 18:00 23 259 (W) 1173 clear none 19:00 26 248 (WSW) 1387 clear none 20:00 19 229 (SW) 1450 clear none 21:00 12 241 (WSW) 1466 clear none 22:00 14 235 (SW) 1423 clear none 23:00 12 271 (W) 1235 clear none 00:00 15 273 (W) 975 clear none 01:00 12 269 (W) 864 clear none 02:00 13 267 (W) 1069 clear none 03:00 16 265 (W) 1045 clear none 04:00 20 264 (W) 1167 clear none 05:00 16 269 (W) 1131 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: a>