Subject: 3.5m Night Log 20180423 From: trudyk@apo.nmsu.edu Date: Tue, 24 Apr 2018 12:21:13 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Monday, April 23, 2018 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- J.Wisniewski J.Wisniewski ARCTIC 19:48 01:04 D.Bizyaev D.Bizyaev DIS 01:16 05:45 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B ---------------------------------------------------------------- OU03/R 19:48 01:10 0 0 0 0 0.0 5.4 0 0 DD02/R 01:10 06:15 0 0 0 0 2.9 2.2 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.Rudyk Evening started mostly clear, with good seeing. Seeing delined somewhat over the night. Some high thin clouds around 01:00. Dcam was doing its usual misbehaving. High thin clouds persisted through the night but nothing serious. 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 -------------------------------------------------------------------------- 19:57 arctic 505( 1118) 42 55 11.6 14.8 14.6 15.1 12.6 semrock-5in 0.97 01:24 dcamera 502( 748) -79 64 11.5 10.7 11.4 10.7 11.2 - 1.40 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 58 21 6 263 (W) 1236 mstly clr none 17:00 59 18 19 287 (WNW) 1096 mstly clr none 18:00 59 20 13 261 (W) 1182 clear none 19:00 57 20 12 226 (SW) 1309 clear none 20:00 53 20 7 196 (SSW) 1617 clear none 21:00 53 20 9 214 (SW) 1613 clear none 22:00 53 19 9 189 (S) 1590 clear none 23:00 53 18 13 185 (S) 1566 clear none 00:00 53 18 15 198 (SSW) 1445 mstly clr none 01:00 53 18 8 202 (SSW) 1139 mstly clr none 02:00 53 16 11 237 (WSW) 1048 mstly clr none 03:00 53 16 10 239 (WSW) 917 mstly clr none 04:00 52 16 10 246 (WSW) 970 mstly clr none 05:00 52 16 11 236 (SW) 951 mstly clr none 06:00 50 16 8 260 (W) 1003 mstly clr 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