Subject: 3.5m Night Log 20190306 From: mcmillan@apo.nmsu.edu Date: Thu, 7 Mar 2019 12:49:53 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Wednesday, March 06, 2019 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- J.M. J.Keller,R.Leiva,R.Strauss ARCTIC 17:15 00:04 M.Prescott M.Prescott,K.Sanderson DIS 00:15 04:52 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B ---------------------------------------------------------------- CU03/R 18:13 00:10 0 0 0 0 5.8 0.1 0 0 NM06/R 00:10 06:16 1.4 0 0 0 4.7 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: R.McMillan We had almost but not quite photometric conditions during first half, then after midnight some cloud moved in and got thicker. There were also period with medium-high winds, but it was all right since the observer didn't need to point west. We closed a little while before twilight since nothing was getting through the clouds. ------- 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 -------------------------------------------------------------------------- 18:58 arctic 735( 1031) 39 48 8.1 8.6 8.7 8.1 7.9 VR 1.34 00:21 dcamera 689( 743) 106 64 7.7 7.0 7.5 7.0 7.2 - 1.31 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 50 15 11 255 (WSW) 423 mstly clr none 17:00 51 18 13 250 (WSW) 488 mstly clr none 18:00 46 17 12 258 (WSW) 614 mstly clr none 19:00 47 19 25 266 (W) 493 mstly clr none 20:00 47 19 20 275 (W) 481 mstly clr none 21:00 47 18 18 291 (WNW) 707 mstly clr none 22:00 46 18 16 290 (WNW) 674 mstly clr none 23:00 45 19 15 269 (W) 670 mstly clr none 00:00 45 19 14 279 (W) 563 mstly clr none 01:00 45 17 16 277 (W) 289 ptly cldy none 02:00 45 16 21 265 (W) 190 ptly cldy none 03:00 45 18 18 279 (W) 245 ptly cldy none 04:00 44 20 15 281 (W) 340 mstly cldy none 05:00 44 18 14 271 (W) 302 mstly 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