Subject: 3.5m Night Log 20241219 From: tsutherland@apo.nmsu.edu Date: Fri, 20 Dec 2024 13:19:38 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Thursday, December 19, 2024 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- UW02 P.Yoachim J.Jiang,D.Meng UW04 S.Hawley L.Hebb GS02 D.Gies P.Wysocki ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- UW02 KOSMOS 17:09 20:38 UW04 ARCTIC 20:56 01:10 GS02 ECHELLE 01:14 06:12 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- UW02/R 17:09 20:50 0 0 0 0 3.7 0.0 0 0 UW04/R 20:50 01:10 0 0 0 0 0.7 3.7 0 0 GS02/R 01:10 06:53 0 0 0 0 0.0 5.7 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.Sutherland,C.Gray Restarted arcsat computer after user reported telescope was offline at start of the night. Opened at 5:45pm since cals were being taken at sunset. Had to reconnect and home the filter wheel on Arctic. Closed at 6:15 since user was done with science targets. The weather was beautiful all night and there were 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 -------------------------------------------------------------------------- 18:08 kosmos 589( 1366) 141 73 7.7 10.2 9.6 9.6 8.3 -- 1.03 21:11 arctic 318( 1074) 130 41 7.9 7.3 7.9 7.0 7.4 SDSS_r 0.90 01:27 ecamera 295( -215) 332 47 3.8 3.8 4.7 3.8 3.8 ND3 2.03 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 52 14 5 194 (SSW) 937 mstly clr none 17:00 49 15 1 196 (SSW) 962 clear none 18:00 46 13 11 84 (E) 934 clear none 19:00 48 14 2 206 (SSW) 921 clear none 20:00 46 12 7 91 (E) 902 clear none 21:00 47 12 6 96 (E) 975 clear none 22:00 47 12 11 143 (SE) 945 clear none 23:00 42 9 8 102 (ESE) 859 clear none 00:00 38 11 9 85 (E) 747 clear none 01:00 41 10 13 149 (SSE) 728 clear none 02:00 38 9 14 110 (ESE) 679 clear none 03:00 40 11 12 114 (ESE) 668 clear none 04:00 43 13 11 146 (SE) 680 clear none 05:00 42 12 12 163 (SSE) 731 clear none 06:00 41 11 10 173 (S) 749 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: 3.1.5