Subject: 3.5m Night Log 20191220 From: trudyk@apo.nmsu.edu Date: Sat, 21 Dec 2019 13:25:29 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Friday, December 20, 2019 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- GS01 D.Michael M.Crenshaw,B.Meena,G.Polack NA01 A.Jaskot A.Jaskot,N.Ford ACTUAL PROG INSTRUMENT START FINISH -------------------------------------------------------------------- GS01 Arctic 17:09 23:30 GS01 Eyepiece 23:30 00:15 NA01 Eyepiece 00:15 00:45 NA01 DIS 00:45 06:00 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- GS01/O 17:09 00:10 0 0 0 0 7.0 0.0 0 0 NA01/O 00:10 06:53 0 0 0 0 2.0 4.8 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.Rudyk Evening started clear with poor seeing. EP was utilized from 23:30 to 00:45. Seeing improved after 01:00. We were open all night, no problems. ------- 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 -------------------------------------------------------------------------- 17:50 arctic 558( 502) -5 63 -0.8 -0.1 0.3 -0.3 -0.5 J-C_I 1.74 18:37 arctic 466( 390) 37 53 -0.9 -0.7 -0.3 -1.1 -1.2 J-C_B 2.05 19:47 arctic 428( 325) 7 58 -0.9 -1.2 -0.8 -1.6 -1.2 J-C_I 1.98 00:55 dcamera 421( 163) -22 55 0.1 -0.7 -0.1 -0.6 0.0 - 1.59 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 33 -3 11 24 (NNE) 85 clear none 17:00 31 -1 12 67 (ENE) 151 clear none 18:00 30 -1 20 64 (ENE) 172 clear none 19:00 30 0 16 69 (ENE) 129 clear none 20:00 31 -6 14 43 (NE) 96 clear none 21:00 30 -8 12 35 (NE) 97 clear none 22:00 32 -10 15 22 (NNE) 101 clear none 23:00 32 -11 16 37 (NE) 101 clear none 00:00 32 -13 9 33 (NNE) 97 clear none 01:00 32 -13 1 270 (W) 86 clear none 02:00 35 -10 9 14 (NNE) 91 clear none 03:00 36 -9 15 26 (NNE) 98 clear none 04:00 36 -11 13 43 (NE) 87 clear none 05:00 34 -10 10 13 (NNE) 72 clear none 06:00 37 -8 6 86 (E) 62 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 SOFTWARE ---------- Current TCC version: 1.2.4 Current HUB version: v20171231_01 Current TUI version: 2.6.0