Subject: 3.5m Night Log 20151023 From: dembicky@apo.nmsu.edu Date: Sat, 24 Oct 2015 11:54:43 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Friday, October 23, 2015 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- D.Gies D.Gies ECHELLE 17:50 00:15 E.Friel J.Overbeek ECHELLE 02:30 03:30 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B ---------------------------------------------------------------- GS06/R 18:30 01:10 0 0.9 0 0 0.0 5.8 0 0 DD02/R 01:10 07:06 3.1 1.8 0 0 0 1.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: J.Dembicky Humidity closed a little after midnight. We re-opened around 02:30 but humidity (and Fog) closed us an hour later. We called it a night at 05:20 with fog and high humidity No telescope problems. ------- 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 -------------------------------------------------------------------------- 18:40 ecamera 551( -599) 30 66 5.1 7.8 7.2 7.4 6.2 ND4 0.97 19:50 ecamera 509( -723) -129 68 5.9 6.2 6.4 6.0 5.6 ND1 1.00 22:10 ecamera 517( -747) -124 49 5.1 5.3 5.9 5.3 5.1 ND1 1.57 02:37 ecamera 570( -775) -100 72 4.2 4.1 5.0 4.1 4.0 ND3 2.06 03:18 ecamera 545( -794) 75 46 3.4 3.7 4.4 3.8 3.5 clear 4.00 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp C Dewp C MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 45 32 7 307 (NW) 335 clear none 17:00 44 34 2 317 (NW) 349 clear none 18:00 42 33 7 311 (NW) 294 clear none 19:00 41 30 10 12 (NNE) 332 clear none 20:00 43 21 8 15 (NNE) 106 ptly cldy none 21:00 43 31 12 66 (ENE) 319 ptly cldy none 22:00 41 33 17 82 (E) 352 ptly cldy none 23:00 41 35 14 89 (E) 406 clear none 00:00 40 36 14 79 (E) 477 clear humid 01:00 39 37 22 74 (ENE) 531 clear humid 02:00 39 35 17 79 (E) 280 clear humid 03:00 39 33 21 73 (ENE) 184 ptly cldy fog 04:00 37 36 24 74 (ENE) 1189 cloudy fog 05:00 37 37 17 70 (ENE) 84206 cloudy fog 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: 1.0.4 Current TUI version: 2.4.0