Subject: 3.5m Night Log 20240913 From: tsutherland@apo.nmsu.edu Date: Sat, 14 Sep 2024 12:15:47 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Friday, September 13, 2024 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- UW05 S.Hawley L.Hebb,S.Hawley NM06 A.Peck A.Smith,E.Nielsen BY01 S.Call S.Call ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- UW05 ECHELLE 19:20 01:10 NM06 ECHELLE 01:10 02:50 BY01 TripleSpec --:-- --:-- PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- UW05/R 19:20 01:10 0 0 0 0 0.0 5.8 0 0 NM06/R 01:10 05:08 2.3 0 0 0 0.3 1.4 0 0 BY01/R 05:08 06:38 1.5 0 0 0 0 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.Sutherland,J.Dembicky Fiducial errors in az on first two test slews. Clouds were a persistent pest throughout the night. A storm to the south caused us to close at 2:50am. The tertiary was rotated to the NA2 port. ------- 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 -------------------------------------------------------------------------- 19:28 ecamera 552( 785) 276 46 17.4 19.6 19.3 20.4 17.5 ND2 0.86 20:40 ecamera 345( 477) 40 44 16.6 17.4 17.6 16.8 16.7 clear 0.97 01:22 ecamera 313( 344) -39 44 15.8 15.3 15.9 15.1 15.5 clear 1.10 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 74 38 18 250 (WSW) 1140 ptly cldy none 17:00 68 35 14 252 (WSW) 994 ptly cldy none 18:00 66 38 15 263 (W) 1119 ptly cldy none 19:00 65 39 9 264 (W) 1125 ptly cldy none 20:00 63 39 9 243 (WSW) 1197 ptly cldy none 21:00 62 41 11 229 (SW) 1219 ptly cldy none 22:00 62 41 8 229 (SW) 1274 mstly cldy none 23:00 62 41 7 219 (SW) 1206 mstly cldy none 00:00 61 40 13 239 (WSW) 1252 mstly cldy none 01:00 61 40 7 255 (WSW) 1437 mstly cldy none 02:00 60 37 11 272 (W) 1046 mstly cldy none 03:00 59 37 6 285 (WNW) 1569 mstly cldy none 04:00 58 38 4 237 (WSW) 2007 mstly cldy none 05:00 58 37 2 255 (WSW) 1615 mstly cldy none 06:00 58 36 6 299 (WNW) 1344 mstly cldy 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