Subject: 3.5m Night Log 20170511 From: trudyk@apo.nmsu.edu Date: Fri, 12 May 2017 12:16:29 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Thursday, May 11, 2017 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- M.Hammergren K.Nault DIS 20:01 01:04 S.Van Velzen S.Van Velzen NIC-FPS 01:16 06:01 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B ---------------------------------------------------------------- AD01/R 20:01 01:10 0 0 0 0 0.6 4.5 0 0 JH06/R 01:10 05:58 0 0 0 0 0.0 4.8 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.Rudyk Thing started out well. Clear and calm skies. Seeing went from fair to bad as the night progressed, and the winds turned east. Around 02:00 winds died down, and seeing improved. It continued to be clear. We were able to stay 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 -------------------------------------------------------------------------- 20:30 dcamera 885( 940) 223 28 8.5 10.4 10.2 10.0 9.7 - 2.60 22:24 dcamera 687( 584) 327 58 6.9 7.8 8.3 7.7 7.4 - 1.88 00:00 arctic 750( 706) 119 65 5.9 6.0 6.7 6.1 5.9 sdss-r 3.01 01:25 NICFPS 779( 1042) 89 73 6.7 5.3 5.8 5.1 5.5 MK-Ks 1.18 02:47 NICFPS 830( 1116) -17 66 8.3 5.7 6.4 5.7 6.2 MK-Ks 1.98 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. ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 54 33 12 312 (NW) 427 ptly cldy none 17:00 54 32 11 304 (NW) 395 ptly cldy none 18:00 53 32 8 322 (NW) 411 ptly cldy none 19:00 48 34 10 89 (E) 319 mstly clr none 20:00 47 34 7 84 (E) 297 mstly clr none 21:00 46 34 12 80 (E) 281 clear none 22:00 46 32 10 81 (E) 246 clear none 23:00 43 33 13 82 (E) 384 clear none 00:00 43 33 17 74 (ENE) 222 clear none 01:00 41 34 16 79 (E) 193 clear none 02:00 45 31 4 75 (ENE) 240 clear none 03:00 47 31 4 269 (W) 351 clear none 04:00 47 31 5 252 (WSW) 401 clear none 05:00 46 31 5 251 (WSW) 321 clear none 06:00 46 31 3 235 (SW) 314 clear none TELESCOPE STATUS Telescope drives operational. Current TCC version: 1.2.2 Current TUI version: 2.6.0