Subject: 3.5m Night Log 20210426 From: dembicky@apo.nmsu.edu Date: Tue, 27 Apr 2021 10:40:44 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Monday, April 26, 2021 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- EN01 B.Ketzeback J.Dembicky ACTUAL PROG INSTRUMENT START FINISH -------------------------------------------------------------------- EN01 DIS --:-- --:-- PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- EN01/W 19:50 06:11 0 10.3 0 0 0.0 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: J.Dembicky Engineering tasks performed tonight - Restarted Hub and TCC - Reset Alt, Az, NA2, and Agile rotator - Zero'ed NA2 rotator +0.036 - TR2 rotator was fine (in zero position) Russet took some data with DIS & I worked on better understanding the ARCTIC skyflat script python code. It was cloudy, windy. and dusty at the start. The clouds never let up for the entire night although the wind and dust did drop. ------- 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 56 10 25 267 (W) 2081 mstly clr none 17:00 56 12 18 263 (W) 1692 mstly clr none 18:00 56 11 22 263 (W) 2526 mstly clr none 19:00 55 11 29 242 (WSW) 3260 mstly clr dust 20:00 52 7 26 237 (WSW) 8532 cloudy dust 21:00 51 7 29 210 (SSW) 7601 cloudy dust 22:00 51 6 26 245 (WSW) 6577 cloudy dust 23:00 51 5 36 221 (SW) 5000 cloudy dust 00:00 49 5 20 227 (SW) 3278 cloudy none 01:00 48 9 27 242 (WSW) 1443 cloudy none 02:00 47 14 17 248 (WSW) 1325 cloudy none 03:00 46 17 17 263 (W) 1306 cloudy none 04:00 44 17 15 263 (W) 1562 cloudy 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: 2.6.0