Subject: 3.5m Night Log 20181213 From: trudyk@apo.nmsu.edu Date: Fri, 14 Dec 2018 13:30:16 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Thursday, December 13, 2018 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- H.Hwang H.Hwang DIS 17:07 00:06 T.Thuan Y.Izotov DIS 00:06 06:30 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B ---------------------------------------------------------------- JH02/R 17:07 00:10 0 0 0 0 1.3 5.7 0 0 UV03/R 00:10 06:49 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 started cold and clear. Seeing was poor, but took a turn even worse around 21:00 as the wind turned out of the east. Weather stayed clear, and 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 -------------------------------------------------------------------------- 17:31 dcamera 537( 59) 44 83 -6.3 -3.3 -3.1 -3.4 -5.3 - 1.64 18:13 dcamera 557( 14) 26 57 -6.4 -4.8 -4.5 -5.3 -6.1 - 1.94 21:14 dcamera 663( 111) -43 50 -3.9 -5.1 -4.6 -4.7 -4.1 - 3.00 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 22 7 14 348 (NNW) 379 clear none 17:00 21 6 14 26 (NNE) 169 clear none 18:00 20 5 11 355 (N) 132 clear none 19:00 22 2 16 14 (NNE) 117 clear none 20:00 24 -4 23 19 (NNE) 121 clear none 21:00 25 -7 22 16 (NNE) 138 clear none 22:00 25 -7 13 0 (N) 105 clear none 23:00 26 -10 18 5 (N) 74 clear none 00:00 27 -11 14 2 (N) 100 clear none 01:00 28 -14 12 32 (NNE) 56 clear none 02:00 28 -14 14 40 (NE) 55 clear none 03:00 27 -11 16 53 (NE) 98 clear none 04:00 27 -14 16 46 (NE) 79 clear none 05:00 29 -18 19 57 (ENE) 63 clear none 06:00 30 -16 24 47 (NE) 34 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: 1.2.4 Current TUI version: 2.6.0