Subject: 3.5m Night Log 20220926 From: mcmillan@apo.nmsu.edu Date: Tue, 27 Sep 2022 13:10:34 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Monday, September 26, 2022 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- UW03 B.Choi B.Choi UV01 J.Davidson J.Davidson,S.Majewski,E.Horch,M.Shea ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- UW03 ECHELLE 19:23 23:52 UV01 DSSI 01:10 03:00 UV01 DSSI 03:35 06:35 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- UW03/R 19:03 01:10 1.3 0.3 0 0 4.2 0.3 0 0 UV01/R 01:10 06:46 0.6 0 0 0 5.0 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: R.McMillan Nearby rain kept us closed a little past sunset, then there were two periods where we had to close for high humidity. The instrument block for the visiting instrument was updated, and lots of data obtained. ------- 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 -------------------------------------------------------------------------- 01:43 dssi 450( 1224) 16 35 9.4 8.6 9.4 8.3 9.0 692 1.00 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 55 45 0 217 (SW) 970 mstly cldy lt rain 17:00 54 46 4 322 (NW) 1111 mstly cldy none 18:00 56 42 9 148 (SSE) 1119 ptly cldy none 19:00 52 43 10 114 (ESE) 1170 mstly clr none 20:00 51 42 13 108 (ESE) 1267 clear none 21:00 50 42 13 113 (ESE) 1382 clear none 22:00 50 42 11 111 (ESE) 1455 clear none 23:00 49 43 8 89 (E) 1665 clear none 00:00 48 44 10 104 (ESE) clear humid 01:00 48 43 8 101 (E) clear none 02:00 50 39 7 91 (E) 1266 clear none 03:00 47 44 8 113 (ESE) clear humid 04:00 51 26 5 105 (ESE) 668 clear none 05:00 52 24 4 180 (S) 545 clear none 06:00 52 25 6 188 (S) 636 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