Subject: 3.5m Night Log 20190207 From: trudyk@apo.nmsu.edu Date: Fri, 8 Feb 2019 13:29:30 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Thursday, February 07, 2019 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- P.Nedialkov P.Nedialkov Arctic 17:46 22:02 J.Keller R.Leiva,S.Haley,R.Strauss ARCTIC 22:10 00:05 S.Barrows S.Barrows TSpec 00:16 06:18 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B ---------------------------------------------------------------- UW06/R 17:50 22:10 0 0 0 0 1.8 2.6 0 0 CU03/R 22:10 00:10 0 0 0 0 2.0 0.0 0 0 CU04/R 00:10 06:44 0 0 0 0 6.6 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.Rudyk Evening start clear and calm with excellent seeing. Seeing varied throughout the night thereafter, but the night remained clear almost up to the end. We were open all night. ------- FAILURE LOG ------- PROG INST FAILURE MODE TIME (SEDFNVOG) TI/SHU START FINISH DESCRIPTION ---------------------------------------------------------------------- ---------------- FOCUS LOG --------------- Time Instrument Focus Az El Temp Strc Prim Sec Air filt FWHM -------------------------------------------------------------------------- 18:28 arctic 958( 726) 116 66 -2.8 -1.6 -2.1 -2.2 -2.8 SDSS_r 0.85 22:15 arctic 716( 372) 220 58 -0.9 -3.8 -3.0 -4.1 -2.4 CU_VR 1.36 00:23 tcamera 845( 584) 269 64 -1.7 -3.1 -2.4 -3.3 -2.1 Ks 1.08 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 30 -20 10 42 (NE) 87 clear none 17:00 29 -21 11 11 (N) 90 clear none 18:00 28 -22 6 1 (N) 213 clear none 19:00 27 -21 14 49 (NE) 274 clear none 20:00 28 -21 10 34 (NE) 300 clear none 21:00 27 -21 4 349 (N) 420 clear none 22:00 28 -21 2 4 (N) 299 clear none 23:00 30 -18 4 225 (SW) 212 clear none 00:00 27 -23 6 183 (S) 366 clear none 01:00 31 -20 8 186 (S) 538 clear none 02:00 26 -23 12 136 (SE) 204 clear none 03:00 27 -21 15 132 (SE) 144 clear none 04:00 24 -17 15 124 (SE) 119 clear none 05:00 26 -22 11 173 (S) 166 clear none 06:00 28 -20 14 162 (SSE) 277 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 STATUS Telescope drives operational. Current TCC version: 1.2.4 Current TUI version: 2.6.0