Subject: 3.5m Night Log 20220123 From: ajt@apo.nmsu.edu Date: Mon, 24 Jan 2022 11:53:15 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Sunday, January 23, 2022 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- CU03 J.Bally J.Bally,K.Tanaka DD01 C.Gray C.Gray,R.Angulo,A.Bostroem ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- CU03 ARCTIC --:-- --:-- DD01 ARCTIC --:-- --:-- DD01 DIS --:-- --:-- PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- CU03/O 17:36 00:10 5.5 1.1 0 0 0.0 0.0 0 0 DD01/R 00:10 06:54 0 6.7 0 0 0.0 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: A.Townsend,C.Gray We had snow this afternoon, and afterwards the humidity was too high (with freezing fog) to open for the rest of the night. So we had some good (in-dome) training sessions instead! No telescope or instrument problems. ------- 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 29 26 2 238 (WSW) cloudy lt snow 17:00 28 25 5 1 (N) mstly cldy humid 18:00 27 25 5 285 (WNW) mstly cldy lt snow 19:00 26 24 6 348 (NNW) ptly cldy fog 20:00 27 23 2 292 (WNW) ptly cldy fog 21:00 26 24 4 349 (N) ptly cldy fog 22:00 26 24 11 3 (N) ptly cldy fog 23:00 26 22 7 350 (N) ptly cldy fog 00:00 26 25 4 348 (NNW) ptly cldy fog 01:00 24 23 12 7 (N) mstly clr humid 02:00 24 22 14 9 (N) mstly clr humid 03:00 24 23 17 13 (NNE) mstly clr humid 04:00 24 21 14 21 (NNE) mstly clr 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