Subject: 3.5m Night Log 20210711 From: ajt@apo.nmsu.edu Date: Mon, 12 Jul 2021 12:16:19 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Sunday, July 11, 2021 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- CU06 A.Kowalski G.Stefansson UW04 P.Yoachim J.Jiang ACTUAL PROG INSTRUMENT START FINISH -------------------------------------------------------------------- CU06 ARCTIC 01:14 03:00 UW04 ARCTIC 03:01 05:51 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- CU06/R 20:22 03:00 3.3 1.6 0 0 1.7 0.0 0 0 UW04/R 03:00 05:56 0 0 0 0 2.9 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: A.Townsend,R.McMillan This afternoon's thunderstorm and high winds turned into a drizzle and then solid clouds for the first part of the night. It cleared up a little bit around 01:00 and with humidity and wind low enough we opened the dome in time for a transit! We continued to have thin clouds and less-than-ideal seeing, but both CU06 and UW04 programs were able to take science images and ARCTIC and the telescope behaved very well. We tried to refocus ARCTIC at 04:05 since we had fewer clouds and the temperatures had equilibrated somewhat, but the focus script failed to run citing "Failed setting camera config before exposure" so we adjusted the focus manually and kept observing. Special shout-out to the cricket in the control room who sang songs to me all night. ------- FAILURE LOG ------- FAILURE MODE TIME PROG INSTR TI/SHU START FINISH DESCRIPTION ---------------------------------------------------------------------- ---------------- FOCUS LOG --------------- Time Instrument Focus Az El Temp Strc Prim Sec Air filt FWHM -------------------------------------------------------------------------- 01:28 arctic 351( 944) 213 54 10.9 13.5 16.2 13.3 12.2 Semrock 1.71 03:08 arctic 325( 874) 234 28 13.1 12.2 13.2 12.1 12.6 SDSS_g 2.31 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 61 27 16 147 (SSE) 788 cloudy lt rain 17:00 61 30 11 176 (S) 824 cloudy rain 18:00 51 28 29 76 (ENE) cloudy rain 19:00 53 29 31 34 (NE) 1299 cloudy rain 20:00 57 30 13 8 (N) 1442 cloudy lt rain 21:00 55 30 16 31 (NNE) 1231 cloudy none 22:00 60 30 7 62 (ENE) 719 cloudy none 23:00 57 30 18 85 (E) 832 cloudy none 00:00 56 29 17 86 (E) 855 cloudy none 01:00 54 29 11 115 (ESE) 867 mstly cldy none 02:00 53 29 18 114 (ESE) 799 ptly cldy none 03:00 55 30 19 136 (SE) ptly cldy none 04:00 56 30 14 157 (SSE) 1138 mstly clr none 05:00 54 29 14 160 (SSE) 1113 mstly clr none 06:00 52 29 12 180 (S) 1127 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 SOFTWARE ---------- Current TCC version: 1.4.2 Current HUB version: v20171231_01 Current TUI version: 2.6.0