Subject: 3.5m Night Log 20240912 From: tsutherland@apo.nmsu.edu Date: Fri, 13 Sep 2024 12:21:40 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Thursday, September 12, 2024 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- OU03 M.Kilic G.Jewett JH03 S.Gezari M.Karmen ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- OU03 ARCTIC 19:16 01:04 JH03 KOSMOS 01:31 06:00 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- OU03/R 19:21 01:10 0 0 0 0 0.0 5.8 0 0 JH03/R 01:10 06:38 0 0 0 0 5.1 0.3 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.Sutherland,A.Townsend Fiducial error in az on first test slew. Opened at sunset with beautiful weather. Had to restart ARCSAT software due to a library support error. ------- 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 -------------------------------------------------------------------------- 20:00 arctic 300( 1560) 195 54 17.5 18.2 18.4 17.6 17.4 BG40 0.95 01:42 kosmos 250( 1340) 274 62 16.4 15.8 16.2 15.7 16.1 -- 0.92 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 69 26 19 199 (SSW) 1316 clear none 17:00 74 29 21 218 (SW) 1419 clear none 18:00 69 26 24 238 (WSW) 1436 clear none 19:00 65 26 15 236 (SW) 1246 clear none 20:00 64 24 13 214 (SW) 1197 clear none 21:00 63 24 18 213 (SSW) 1175 clear none 22:00 64 24 15 188 (S) 1028 clear none 23:00 63 23 16 210 (SSW) 975 clear none 00:00 63 25 15 225 (SW) 1002 mstly clr none 01:00 62 26 14 230 (SW) 1201 ptly cldy none 02:00 61 25 22 203 (SSW) 979 ptly cldy none 03:00 61 24 12 202 (SSW) 820 ptly cldy none 04:00 60 24 7 191 (S) 1192 clear none 05:00 60 27 2 143 (SE) 1179 clear none 06:00 57 27 7 160 (SSE) 1288 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