Subject: 3.5m Night Log 20210413 From: cgray@apo.nmsu.edu Date: Wed, 14 Apr 2021 12:31:58 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Tuesday, April 13, 2021 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- CU05 B.Oppenheimer M.Croom, B.Semock, F.Hasan NM05 J.Burchett J.Burchett ACTUAL PROG INSTRUMENT START FINISH -------------------------------------------------------------------- CU05 DIS 19:41 01:04 NM05 ARCTIC 01:15 06:15 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- CU05/R 19:41 01:10 0 0 0 0 3.9 1.6 0 0 NM05/R 01:10 06:26 0 0 0 0 5.3 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: C.Gray gcam needed a Nubs restart during checkout. We had clouds all night which became pretty annoying for a few hours (especially when I was trying focus!!). However, the seeing was remarkably good... ------- 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 -------------------------------------------------------------------------- 20:19 dcamera 445( 742) 183 47 9.4 11.0 11.1 10.8 9.4 -- 1.45 21:51 dcamera 480( 692) 163 78 9.3 9.6 10.0 9.3 9.2 -- 1.40 01:53 arctic 532( 837) 235 76 8.0 7.7 8.2 7.7 7.8 sdss-i 0.81 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 53 20 10 252 (WSW) 1459 mstly clr none 17:00 54 17 20 186 (S) 1072 mstly clr none 18:00 53 19 11 233 (SW) 1956 mstly clr none 19:00 50 19 19 214 (SW) 2395 ptly cldy none 20:00 49 19 13 187 (S) 2141 ptly cldy none 21:00 49 20 19 179 (S) 2571 ptly cldy none 22:00 48 24 18 195 (SSW) 2702 mstly cldy none 23:00 47 24 15 186 (S) 2498 mstly cldy none 00:00 47 25 16 190 (S) 2546 mstly cldy none 01:00 46 28 18 199 (SSW) 3086 mstly cldy none 02:00 46 28 18 202 (SSW) 3055 mstly cldy none 03:00 46 27 16 203 (SSW) 3026 ptly cldy none 04:00 43 28 14 205 (SSW) 3078 mstly cldy none 05:00 43 26 8 204 (SSW) 2964 cloudy none 06:00 41 25 14 213 (SSW) 2816 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: 2.6.0