Subject: 3.5m Night Log 20170903 From: trudyk@apo.nmsu.edu Date: Mon, 4 Sep 2017 13:24:45 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Sunday, September 03, 2017 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- D.Chojnowski D.Chojnowski ECHELLE 19:33 01:08 T.Murphy R.McMillan APOLLO 01:12 01:58 S.Lepine N.Hejazi ECHELLE 02:01 06:20 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B ---------------------------------------------------------------- NM03/R 19:33 01:10 0 0 0 0 0.0 5.6 0 0 AP01/R 01:10 02:10 0 0 0 0 0.0 1.0 0 0 GS04/R 02:10 06:32 0 0 0 0 1.5 2.9 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.Rudyk Evening started out partly cloudy, and cleared shortly after sunset. Seeing was not so great, but it stayed clear through the night. There was a haze over everything, but the 1 um dust counts were well within safe limits. We stayed 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 -------------------------------------------------------------------------- 20:00 ecamera 374( 130) 125 51 15.3 17.6 17.8 17.3 15.6 ND4 1.88 21:00 ecamera 347( 3) -2 50 14.3 15.6 16.2 15.2 14.6 ND3 1.50 23:03 ecamera 324( -128) 184 72 13.8 13.8 14.5 13.8 13.8 clear 1.76 01:23 APOLLO 300( 1674) 326 35 14.8 14.8 15.3 14.9 14.9 530 2.20 02:25 ecamera 303( -88) 273 60 15.6 14.9 15.4 15.0 15.4 ND1 1.42 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 72 44 7 212 (SSW) mstly clr none 17:00 67 41 2 197 (SSW) ptly cldy none 18:00 65 41 2 157 (SSE) ptly cldy none 19:00 63 41 11 59 (ENE) mstly clr none 20:00 60 42 17 75 (ENE) mstly clr none 21:00 58 43 18 76 (ENE) clear none 22:00 57 42 19 73 (ENE) clear none 23:00 57 40 18 71 (ENE) clear none 00:00 60 38 17 61 (ENE) clear none 01:00 61 31 3 322 (NW) clear none 02:00 59 33 18 30 (NNE) clear none 03:00 60 35 13 19 (NNE) clear none 04:00 60 37 11 15 (NNE) clear none 05:00 59 38 5 10 (N) clear none 06:00 58 38 9 47 (NE) 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