Date: Sun, 27 Apr 2014 11:09:04 -0000 (UTC) Subject: 3.5m Night Log 20140426 From: "Alysha Shugart" Apache Point Observatory 3.5m Telescope Night Log Saturday, April 26, 2014 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- J.Wang P.Du,C.Hu DIS --:-- --:-- Y.Sun Y.Sun DIS 02:33 02:45 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B ---------------------------------------------------------------- IH01/R 19:50 01:10 5.3 0 0 0 0.0 0.0 0 0 NM09/R 01:10 06:12 3.9 1.0 0 0 0.2 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: A.Shugart HIgh winds, dust, and nearby radar kept us closed the majority of the night. Finally opened at 02:33, but data collection failed at 02:45. Closed the dome again at 03:30. Observers called it a night at 04:30 when the humidity began to rise, and dust didn't budge. Completed fills at 05:00. ------- 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 -------------------------------------------------------------------------- 02:48 dcamera 76( -188) -18 62 -2.6 1.5 4.4 0.4 -1.7 -- 2.70 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 51 10 36 201 (SSW) 37513 cloudy dust 17:00 50 10 37 232 (SW) 104243 cloudy dust 18:00 53 13 40 211 (SSW) 84996 cloudy dust 19:00 49 13 30 250 (WSW) 101421 cloudy dust 20:00 47 17 46 257 (WSW) 25918 cloudy dust 21:00 41 25 26 264 (W) 39656 cloudy dust 22:00 38 26 21 272 (W) 15852 cloudy dust 23:00 37 24 28 267 (W) 46157 cloudy dust 00:00 35 21 24 278 (W) 8334 cloudy dust 01:00 33 20 37 269 (W) 7393 mstly clr none 02:00 29 16 24 273 (W) 4023 ptly cldy none 03:00 27 17 14 271 (W) 5298 mstly cldy none 04:00 26 20 12 274 (W) 7981 mstly cldy dust 05:00 26 20 13 296 (WNW) 7525 mstly cldy dust 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: 2.15.0 Current TUI version: 2.2.0