Subject: 3.5m Night Log 20220414 From: ajt@apo.nmsu.edu Date: Fri, 15 Apr 2022 12:58:26 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Thursday, April 14, 2022 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- BY04 C.Scoresby C.Scoresby,S.Turner,D.Stephens NM06 A.Hedlund A.Hedlund ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- BY04 NICFPS 19:41 01:04 NM06 ECHELLE 01:10 06:17 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- BY04/R 19:41 01:10 0 0 0 0 0.0 5.5 0 0 NM06/R 01:10 06:25 0 0 0 0 0.3 5.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: A.Townsend Zeroed NA2 rotator during checkout at -0.003. Mostly good weather with a few thin clouds during B-half. 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 -------------------------------------------------------------------------- 19:53 NICFPS 473( 1522) 223 68 7.8 8.6 8.9 8.1 8.2 MK-H 0.85 21:35 NICFPS 422( 1437) 321 46 8.4 7.6 8.1 7.5 7.9 MK-H 0.95 22:50 NICFPS 400( 1411) 258 62 8.5 7.7 8.3 7.7 7.9 MK-H 0.87 00:06 NICFPS 378( 1395) 253 46 8.6 7.7 8.2 7.7 8.2 MK-H 0.95 01:16 ecamera 397( -48) 129 29 9.0 8.1 8.5 8.4 8.6 ND2 1.24 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 53 -2 14 217 (SW) 1940 clear none 17:00 55 -1 13 224 (SW) 2075 clear none 18:00 53 -3 18 241 (WSW) 2238 clear none 19:00 50 -2 16 242 (WSW) 1761 clear none 20:00 46 -4 17 239 (WSW) 1829 clear none 21:00 47 -2 22 219 (SW) 1926 clear none 22:00 47 -1 16 233 (SW) 1809 clear none 23:00 47 -1 15 252 (WSW) 1708 clear none 00:00 48 -1 16 277 (W) 1578 clear none 01:00 48 -1 12 261 (W) 1421 mstly clr none 02:00 48 -1 12 262 (W) 1499 ptly cldy none 03:00 48 -1 13 265 (W) 1454 mstly clr none 04:00 47 -1 16 252 (WSW) 1398 ptly cldy none 05:00 46 -1 13 254 (WSW) 1457 ptly cldy none 06:00 46 0 21 266 (W) 1476 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: 2.6.0