Subject: 3.5m Night Log 20240416 From: ajt@apo.nmsu.edu Date: Wed, 17 Apr 2024 12:14:28 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Tuesday, April 16, 2024 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- OU03 A.Moss A.Moss UW06 S.Hawley K.Jones ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- OU03 KOSMOS 19:47 00:57 UW06 ECHELLE 01:03 05:22 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- OU03/R 19:43 01:10 0 0 0 0 0.0 5.5 0 0 UW06/R 01:10 06:22 0 0 0 0 2.8 2.4 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: A.Townsend Alt motion error at 75 immediately after set inst with a slew in place. Good seeing, and though we had clouds almost all night, they were mostly thin enough to not cause us trouble. Nice quiet night! ------- 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 -------------------------------------------------------------------------- 19:24 kosmos 400( 1186) 125 68 8.3 9.4 9.1 8.8 8.4 -- 1.06 00:19 ecamera 376( 12) 29 45 8.0 6.9 7.6 6.8 7.2 ND1 1.04 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 52 12 14 294 (WNW) 884 mstly clr none 17:00 50 10 11 355 (N) 835 mstly clr none 18:00 50 12 14 303 (WNW) 888 mstly clr none 19:00 49 9 7 277 (W) 940 mstly clr none 20:00 47 8 10 291 (WNW) 887 ptly cldy none 21:00 48 6 10 245 (WSW) 978 ptly cldy none 22:00 48 5 9 261 (W) 1003 ptly cldy none 23:00 47 6 10 233 (SW) 1036 mstly clr none 00:00 47 5 15 235 (SW) 1004 clear none 01:00 46 6 9 221 (SW) 968 ptly cldy none 02:00 46 6 9 217 (SW) 994 mstly cldy none 03:00 46 4 11 225 (SW) 965 ptly cldy none 04:00 46 3 8 225 (SW) 952 mstly clr none 05:00 47 5 3 218 (SW) 996 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: 3.1.5