Subject: 3.5m Night Log 20190423 From: dembicky@apo.nmsu.edu Date: Wed, 24 Apr 2019 12:42:04 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Tuesday, April 23, 2019 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- B.Bolin B.Bolin ARCTIC --:-- --:-- N.Schneider C.Schmidt ECHELLE 03:10 06:20 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B ---------------------------------------------------------------- UW08/R 19:48 01:10 0 0 0 0 4.3 1.0 0 0 CU01/R 01:10 06:15 0 2.0 0 0 0.0 3.1 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: J.Dembicky We fought clouds and rain for the first part of the night. We finally got on sky around 03:10, still fought clouds but the precipitation now appeared to be to our east. ------- 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 -------------------------------------------------------------------------- 03:12 dcamera 175( 243) 29 45 3.3 5.0 7.5 4.5 3.8 ND3 2.35 03:22 ecamera 186( -613) 26 46 2.8 4.7 6.8 4.2 3.2 ND3 1.92 05:34 ecamera 438( -484) -13 40 2.6 2.2 3.3 2.3 2.3 ND2 1.28 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 42 34 19 78 (ENE) 258 mstly cldy none 17:00 43 32 16 83 (E) 272 mstly cldy none 18:00 43 32 8 89 (E) 377 cloudy lt rain 19:00 40 34 13 89 (E) cloudy none 20:00 42 23 11 250 (WSW) 250 cloudy none 21:00 40 26 1 244 (WSW) 289 cloudy humid 22:00 36 32 11 339 (NNW) cloudy none 23:00 37 32 12 335 (NNW) cloudy none 00:00 35 32 10 272 (W) cloudy none 01:00 39 26 13 281 (W) mstly cldy none 02:00 40 24 10 303 (WNW) 314 ptly cldy none 03:00 39 25 4 259 (W) 208 mstly clr none 04:00 36 27 1 242 (WSW) 220 mstly cldy none 05:00 36 27 2 354 (N) 232 mstly cldy none 06:00 36 28 3 360 (N) 252 ptly cldy 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