Subject: 3.5m Night Log 20160428 From: cgray@apo.nmsu.edu Date: Fri, 29 Apr 2016 12:19:45 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Thursday, April 28, 2016 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- C.Vargas C.Vargas ARCTIC 22:46 00:58 P.Gaulme P.Gaulme ECHELLE 01:10 02:57 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B ---------------------------------------------------------------- NM01/R 19:52 01:10 2.9 0.0 0 0 2.4 0.0 0 0 NM03/R 01:10 06:09 0.0 3.2 0 0 0.1 1.7 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: C.Gray The night started out dusty. Again. But we triumphed and were able to open at 22:46! But, thenÉsorrow, as the rain clouds rolled in and we had to close again at 02:57. Were never able to reopen. Seeing was moderate. No problems tonight. ------- 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 -------------------------------------------------------------------------- 21:52 arctic 613( 699) -38 67 7.4 8.6 9.0 8.6 7.8 SDSS-r 1.00 00:14 ecamera 646( -605) 120 32 4.9 5.4 6.1 5.3 5.0 -- 2.00 01:17 ecamera 553( -753) 126 45 4.0 4.5 5.2 4.4 4.0 -- 1.50 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 53 12 24 252 (WSW) 3326 clear none 17:00 52 13 27 235 (SW) 5953 clear none 18:00 53 16 23 232 (SW) 8176 clear dust 19:00 51 14 15 258 (WSW) 7285 clear dust 20:00 48 15 21 222 (SW) 10072 clear dust 21:00 47 15 15 228 (SW) 12134 clear dust 22:00 46 16 21 222 (SW) 8457 mstly clr none 23:00 46 17 22 224 (SW) 4636 ptly cldy none 00:00 44 18 21 247 (WSW) 3562 mstly clr none 01:00 42 20 18 232 (SW) 2839 ptly cldy none 02:00 40 18 16 272 (W) 2420 ptly cldy none 03:00 38 20 8 312 (NW) 2655 cloudy none 04:00 37 21 14 293 (WNW) 2684 cloudy none 05:00 35 20 15 268 (W) 2627 cloudy none 06:00 33 20 25 263 (W) 2819 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: 1.2.2 Current TUI version: 2.5.1