Subject: 3.5m Night Log 20230421 From: dembicky@apo.nmsu.edu Date: Sat, 22 Apr 2023 12:02:17 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Friday, April 21, 2023 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- NM03 S.Ho S.Ho UW03 A.Tzanidakis A.Tzanidakis ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- NM03 KOSMOS 20:20 01:06 UW03 KOSMOS 01:10 05:35 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- NM03/R 19:46 01:10 0 0 0 0 3.5 1.9 0 0 UW03/R 01:10 06:17 0 0 0 0 5.1 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: J.Dembicky First half observer did cals during twilight. 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 -------------------------------------------------------------------------- 20:29 kosmos 519( 892) 130 72 10.0 8.1 8.0 7.8 7.7 -- 1.11 01:15 kosmos 429( 760) -35 51 10.0 6.9 7.5 6.9 7.2 -- 1.17 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 24 293 (WNW) 1377 mstly clr none 17:00 14 266 (W) 1407 mstly clr none 18:00 7 240 (WSW) 1547 mstly clr none 19:00 16 260 (W) 1649 mstly clr none 20:00 15 267 (W) 1841 mstly clr none 21:00 18 257 (WSW) 2085 clear none 22:00 17 251 (WSW) 1928 clear none 23:00 21 262 (W) 1744 clear none 00:00 8 326 (NW) 1426 clear none 01:00 8 351 (N) 1283 clear none 02:00 5 309 (NW) 1010 clear none 03:00 8 1 (N) 1101 clear none 04:00 12 20 (NNE) 1036 clear none 05:00 6 1 (N) 933 clear none 06:00 15 27 (NNE) 1057 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: 3.1.1