Subject: 3.5m Night Log 20230207 From: ajt@apo.nmsu.edu Date: Wed, 8 Feb 2023 13:11:49 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Tuesday, February 07, 2023 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- JH07 N.DelloRusso A.McKay EN01 B.Ketzeback A.Townsend,R.McMillan ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- JH07 ECHELLE --:-- --:-- EN01 X --:-- --:-- PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- JH07/R 17:50 00:10 1.7 4.6 0 0 0.0 0.0 0 0 EN01/W 00:10 06:44 0 6.6 0 0 0.0 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: A.Townsend We stayed closed all night due to snow and high humidity. We ended up with maybe a half inch of new snow on the ground. Started snow program at 21:15, stopped at 02:15. Engineering: - m1 mac testing - ATUI check - cleaned KOSMOS slits - hub restart Telescope is parked to the south to melt snow on the dome. Temperatures around -8C, humidity between 80 and 100% most of the 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 -------------------------------------------------------------------------- ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 1 239 (WSW) mstly cldy lt snow 17:00 14 234 (SW) 784 ptly cldy none 18:00 2 214 (SW) ptly cldy humid 19:00 3 68 (ENE) cloudy lt snow 20:00 10 86 (E) cloudy lt snow 21:00 8 81 (E) cloudy snow 22:00 10 72 (ENE) cloudy snow 23:00 4 100 (E) cloudy snow 00:00 7 91 (E) cloudy lt snow 01:00 2 116 (ESE) cloudy humid 02:00 4 248 (WSW) cloudy humid 03:00 7 216 (SW) cloudy humid 04:00 6 200 (SSW) cloudy humid 05:00 3 249 (WSW) cloudy humid 06:00 1 188 (S) cloudy humid 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: 2.6.0