Subject: 3.5m Night Log 20250910 From: tmcquaid@apo.nmsu.edu Date: Thu, 11 Sep 2025 13:09:32 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Wednesday, September 10, 2025 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- EN01 B.Ketzeback T.McQuaid,A.Townsend,R.McMillan ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- EN01 ARCTIC 22:00 23:00 EN01 NICFPS 23:00 23:30 EN01 TSPEC 23:30 00:40 EN01 ARCTIC 00:40 01:45 EN01 SHACK 01:45 02:15 EN01 ARCTIC 02:20 06:25 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- EN01/W 19:24 06:36 1.6 1.0 0 0 0.0 8.6 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.McQuaid,A.Townsend Stayed closed until about 10:00 due to nearby storms. Performed engineering tasks: - Restarted tcc and tron - Restarted axis controllers - Zeroed the NA2 rotator (0.000) - Restarted Dome mac - Throughput on SA92-282, Feige 22, SA113-339, SA 95-193, SA 96-83 and SA98-653 at many different altitudes - Lots of training of our new observing specialist! Restarted Shack computer, all-sky camera started up in the evening and didn't freeze all night. Amanda (laptop onsite) and Tim (obsA) both had TUI disconnect within about a minute of each other. ------- 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 -------------------------------------------------------------------------- 22:16 arctic 392( 1390) 30 54 15.4 16.9 17.7 16.7 15.4 SDSS_g2 1.56 22:27 arctic 419( 1413) -48 46 15.6 16.6 17.4 16.3 15.4 SDSS_r2 1.29 22:35 NA2gdr 37433(37433) -50 45 15.7 16.4 17.2 16.1 15.4 clear 1.39 23:08 NICFPS 444( 1710) 68 31 15.8 15.8 16.6 15.7 15.6 MK-Ks 1.44 23:58 tcamera 414( 1485) 13 58 15.4 15.3 16.1 15.2 15.4 Ks 1.23 01:01 arctic 428( 1336) 41 51 14.9 14.9 15.6 14.9 15.0 SDSS_i 1.17 01:54 shack 425( 1938) -57 61 15.1 14.6 15.3 14.7 14.7 -- 1.00 02:27 arctic 443( 1323) 6 58 14.6 14.4 15.1 14.3 14.4 SDSS_i 0.76 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 70 42 15 194 (SSW) 469 clear rain 17:00 70 42 26 206 (SSW) 414 clear rain 18:00 66 44 9 189 (S) 507 clear none 19:00 62 45 11 125 (SE) 550 clear none 20:00 63 40 10 146 (SE) 516 clear none 21:00 61 43 15 122 (ESE) 665 clear none 22:00 60 42 17 113 (ESE) 959 clear none 23:00 60 37 20 132 (SE) 918 clear none 00:00 60 37 19 141 (SE) 885 clear none 01:00 59 42 24 135 (SE) 1122 clear none 02:00 60 41 18 156 (SSE) 946 clear none 03:00 57 42 15 149 (SSE) 860 clear none 04:00 57 41 14 154 (SSE) 677 clear none 05:00 57 38 13 149 (SSE) 812 mstly clr none 06:00 57 38 12 171 (S) 797 mstly clr 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: 3.1.8