Subject: 3.5m Night Log 20170215 From: trudyk@apo.nmsu.edu Date: Thu, 16 Feb 2017 13:47:19 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Wednesday, February 15, 2017 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- J.Bary J.Bary ECHELLE 17:58 23:51 D.Gies K.Lester ECHELLE 23:51 06:37 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B ---------------------------------------------------------------- NA01/R 17:58 00:10 0 0 0 0 4.5 1.7 0 0 GS03/R 00:10 06:37 0 0 0 0 0.0 6.4 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.Rudyk Night started out good, with mostly clear skies and 70% humidity. We opened at sunset. The humidity stayed the same, then dropped to 60% by midnight. The skies cleared entirely, humidity dropped to 30%. The rest of the night was clear with variable seeing. We observed 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 -------------------------------------------------------------------------- 18:24 ecamera 1105( -441) 16 73 -4.2 0.1 -2.2 0.4 0.1 ND1 1.28 19:37 ecamera 973( -673) -40 70 -3.1 -1.8 -2.6 -1.9 -2.1 ND1 0.95 23:53 ecamera 942( -780) -79 32 -3.2 -3.8 -3.2 -3.7 -3.7 ND2 1.81 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 29 22 5 282 (WNW) mstly clr none 17:00 27 19 1 234 (SW) mstly clr none 18:00 25 19 1 237 (WSW) mstly clr none 19:00 26 19 0 325 (NW) mstly clr none 20:00 28 18 9 40 (NE) mstly clr none 21:00 26 19 11 357 (N) mstly clr none 22:00 26 18 11 33 (NNE) mstly clr none 23:00 25 18 12 43 (NE) mstly clr none 00:00 26 17 12 35 (NE) clear none 01:00 27 16 12 38 (NE) clear none 02:00 27 13 12 35 (NE) clear none 03:00 32 4 1 201 (SSW) clear none 04:00 30 7 2 23 (NNE) clear none 05:00 31 4 6 350 (N) clear none 06:00 28 7 6 42 (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