Subject: 3.5m Night Log 20190519 From: dembicky@apo.nmsu.edu Date: Mon, 20 May 2019 10:09:50 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Sunday, May 19, 2019 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- Y.Zhu D.Ren, X.Zhang PAO 20:07 21:07 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B ---------------------------------------------------------------- NI01/O 20:07 05:53 0 8.7 0 0 0.8 0.2 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: J.Dembicky We closed at 21:20 as there may be some radar returns approaching and we were not getting anything useful any longer. We never re-opened and the observers gave up at around 01:00 when the rest of the night looked very unpromising. ------- 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 -------------------------------------------------------------------------- ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 55 15 19 189 (S) 846 cloudy none 17:00 54 17 17 201 (SSW) 899 cloudy none 18:00 57 18 17 186 (S) 972 cloudy none 19:00 55 18 19 190 (S) 977 ptly cldy none 20:00 52 18 21 208 (SSW) 957 ptly cldy none 21:00 53 19 19 195 (SSW) 992 mstly cldy none 22:00 53 20 19 186 (S) 990 cloudy none 23:00 53 21 12 211 (SSW) 1057 cloudy none 00:00 52 21 10 214 (SW) 1010 cloudy none 01:00 51 19 14 237 (WSW) 898 cloudy none 02:00 49 20 18 229 (SW) 909 cloudy none 03:00 48 20 8 253 (WSW) 904 cloudy none 04:00 47 19 15 234 (SW) 874 cloudy 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