Subject: 3.5m Night Log 20240615 From: ajt@apo.nmsu.edu Date: Sun, 16 Jun 2024 12:51:30 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Saturday, June 15, 2024 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- BY01 E.Hintz S.Call UW01 S.Hawley L.Hebb,J.Romney NM05 M.Croom A.Townsend ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- BY01 TSPEC 20:26 21:45 UW01 ARCTIC 22:10 02:16 NM05 KOSMOS 02:30 05:15 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- BY01/R 20:22 22:00 0 0 0 0 0.0 1.6 0 0 UW01/O 22:00 02:10 0 0 0 0 0.0 4.2 0 0 NM05/W 02:10 05:46 0 0 0 0 3.5 0.1 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: A.Townsend Clear skies all night with decent seeing. Service observing for NM05 as observer wasn't available due to an emergency. 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 -------------------------------------------------------------------------- 19:34 tcamera 539( 2176) 6 54 20.1 23.0 22.1 23.0 21.3 Ks 1.12 21:33 arctic 217( 1547) 199 53 19.6 19.6 19.8 19.3 18.9 Semrock 1.35 01:49 khigh 325( 1541) 95 36 19.0 18.0 18.8 17.9 18.4 -- 1.18 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 78 37 13 245 (WSW) 1079 clear none 17:00 75 33 14 247 (WSW) 1065 clear none 18:00 80 33 3 216 (SW) 1061 clear none 19:00 74 33 8 265 (W) 1185 clear none 20:00 69 31 7 263 (W) 1220 clear none 21:00 68 31 5 256 (WSW) 1212 clear none 22:00 67 27 11 236 (SW) 1208 clear none 23:00 68 18 9 260 (W) 1239 clear none 00:00 68 17 9 264 (W) 1192 clear none 01:00 68 17 9 263 (W) 1242 clear none 02:00 67 17 7 266 (W) 1134 clear none 03:00 67 19 8 280 (W) 1288 clear none 04:00 67 20 5 332 (NNW) 1337 clear none 05:00 65 20 6 345 (NNW) 1426 clear none 06:00 66 22 7 316 (NW) 1525 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