Subject: 3.5m Night Log 20170130 From: trudyk@apo.nmsu.edu Date: Tue, 31 Jan 2017 13:45:28 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Monday, January 30, 2017 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- C.Sakari C.Sakari ECHELLE 17:43 23:06 M.Hammergren K.Nault,M.Brucker ARCTIC 23:10 01:17 B.Morris B.Morris ARCTIC 01:17 06:11 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B ---------------------------------------------------------------- UW05/R 17:43 23:10 0 0 0 0 2.6 2.9 0 0 AD02/R 23:10 01:10 0 0 0 0 2.0 0.0 0 0 UW01/R 01:10 06:50 0 0 0 0 5.7 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.Rudyk The night started out very clear and still. Around 22:00 the wind picked up somewhat, and seeing degraded. By 02:00 transparency decreased, but it was still clear (limiting mag about 5). Night remained cloud free and all observers got their full times. ------- 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 -------------------------------------------------------------------------- 17:53 ecamera 991( -339) 224 57 3.0 4.2 3.9 4.5 3.9 ND3 0.78 19:12 ecamera 889( -482) 336 21 2.6 2.9 3.2 2.8 1.4 clear 1.86 19:33 ecamera 871( -533) 350 47 2.6 2.7 3.1 2.6 1.3 ND2 0.99 23:20 arctic 837( 622) 120 57 2.8 2.5 3.0 2.8 1.4 SDSS-r 1.93 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 37 4 8 340 (NNW) clear none 17:00 36 6 4 324 (NW) clear none 18:00 38 5 11 2 (N) clear none 19:00 37 9 18 15 (NNE) clear none 20:00 37 9 7 27 (NNE) clear none 21:00 37 11 12 352 (N) clear none 22:00 38 11 17 359 (N) clear none 23:00 38 11 5 333 (NNW) clear none 00:00 37 12 8 11 (N) clear none 01:00 38 12 17 357 (N) clear none 02:00 36 10 12 22 (NNE) clear none 03:00 35 7 19 11 (N) clear none 04:00 38 0 14 29 (NNE) clear none 05:00 37 -4 11 6 (N) clear none 06:00 36 -1 3 6 (N) clear 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: 1.2.2 Current TUI version: 2.6.0