Subject: 3.5m Night Log 20231124 From: dembicky@apo.nmsu.edu Date: Sat, 25 Nov 2023 11:29:37 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Friday, November 24, 2023 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- OU03 M.Kilic A.Moss, O.Caliskan ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- OU03 ARCTIC --:-- --:-- PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- OU03/R 17:07 06:34 1.6 11.9 0 0 0.0 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: J.Dembicky Clouds thickened up just before sunset and never went away. Rain sensor went off (lt. snow) at 03:20. Snow was coming down at a pretty good clip at 04:15 when I went up to do my instrument fills for the night. Just covering the sidewalks with snow by 04:30. We never opened 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 -------------------------------------------------------------------------- ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 37 24 21 202 (SSW) 1263 ptly cldy none 17:00 34 23 21 189 (S) 1557 cloudy none 18:00 36 23 24 178 (S) 1643 cloudy none 19:00 36 25 25 181 (S) 1513 cloudy none 20:00 37 24 23 191 (S) 1264 cloudy none 21:00 36 21 21 183 (S) 1168 cloudy none 22:00 35 22 22 199 (SSW) 1172 cloudy none 23:00 35 23 27 198 (SSW) 1244 cloudy none 00:00 34 27 20 210 (SSW) 1246 cloudy none 01:00 33 28 18 208 (SSW) 1268 cloudy none 02:00 33 30 21 245 (WSW) cloudy humid 03:00 32 32 18 227 (SW) cloudy lt snow 04:00 31 31 16 233 (SW) cloudy snow 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: 3.1.3