Subject: 3.5m Night Log 20250112 From: mcroom@apo.nmsu.edu Date: Mon, 13 Jan 2025 12:04:57 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Sunday, January 12, 2025 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- NM03 A.Peck E.Nielsen,A.Smith AP03 S.Merkowitz R.McMillan,W.Ketzeback ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- NM03 ECHELLE --:-- --:-- AP03 APOLLO --:-- --:-- PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- NM03/R 17:26 00:10 0 6.7 0 0 0.0 0.0 0 0 AP03/R 00:10 06:57 0 6.8 0 0 0.0 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: M.Croom Support from R. McMillan. Weather kept us from opening. Humidity was too high all night and clouds were present on and off plus the occasional very light snow with no obvious accumulation. Gave up at 05:00. No issues aside from weather. ------- 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 24 20 3 225 (SW) mstly cldy humid 17:00 20 18 6 253 (WSW) mstly cldy lt snow 18:00 20 17 3 210 (SSW) mstly cldy lt snow 19:00 19 15 6 193 (SSW) mstly cldy lt snow 20:00 19 17 7 260 (W) mstly clr humid 21:00 18 16 6 212 (SSW) mstly clr humid 22:00 19 17 2 178 (S) mstly clr humid 23:00 18 16 7 129 (SE) mstly clr humid 00:00 16 14 16 133 (SE) ptly cldy humid 01:00 20 19 8 185 (S) mstly cldy humid 02:00 20 20 8 181 (S) cloudy humid 03:00 21 20 10 217 (SW) cloudy lt snow 04:00 21 20 13 180 (S) cloudy lt snow 05:00 20 19 19 150 (SSE) 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: 3.1.5