Subject: 3.5m Night Log 20201207 From: trudyk@apo.nmsu.edu Date: Tue, 8 Dec 2020 13:38:43 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Monday, December 07, 2020 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- UW02 J.Werk J.Werk,K.Tchernyshyov CU07 J.Bally J.Bally,K.McManus,E.Lieb WY02 J.McLane J.McLane ACTUAL PROG INSTRUMENT START FINISH -------------------------------------------------------------------- UW02 DIS 17:06 00:04 CU07 ECHELLE 00:08 04:24 WY02 TSPEC 04:42 06:12 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- UW02/R 17:06 00:10 0 0 0 0 6.9 0.2 0 0 CU07/R 00:10 04:30 0 0 0 0 0.0 4.3 0 0 WY02/R 04:30 06:45 0 0 0 0 0.0 2.2 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.Rudyk Evening started out partly cloudy but clearing. Winds were low, seeing was poor. By 19:00 it had cleared completely. After midnight, seeing improved, and became quite good. We stayed open all 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 -------------------------------------------------------------------------- 17:33 dcamera 421( 476) 2 59 2.2 6.0 5.8 5.5 3.2 - 1.55 18:31 dcamera 471( 418) -75 30 1.6 3.2 3.7 2.6 1.9 - 1.52 20:28 dcamera 523( 373) 134 66 2.2 1.8 2.8 1.9 2.1 - 1.46 00:17 ecamera 464( -649) -56 69 2.1 0.9 1.7 0.9 1.5 ND3 0.75 04:45 tcamera 462( 665) -129 55 2.9 1.1 2.3 1.2 2.5 - 0.94 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 41 7 2 121 (ESE) 237 ptly cldy none 17:00 38 6 4 102 (ESE) 269 mstly clr none 18:00 36 6 17 79 (E) 225 clear none 19:00 35 6 14 80 (E) 243 clear none 20:00 36 5 8 92 (E) 158 clear none 21:00 35 5 14 86 (E) 150 clear none 22:00 35 2 14 85 (E) 219 clear none 23:00 35 1 10 90 (E) 194 clear none 00:00 35 2 9 86 (E) 183 clear none 01:00 36 6 6 106 (ESE) 89 clear none 02:00 37 6 4 103 (ESE) 74 clear none 03:00 36 5 1 339 (NNW) 97 clear none 04:00 37 4 3 55 (NE) 67 clear none 05:00 37 3 10 35 (NE) 75 clear none 06:00 38 2 1 196 (SSW) 62 clear 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