Subject: 3.5m Night Log 20210312 From: dembicky@apo.nmsu.edu Date: Sat, 13 Mar 2021 12:30:29 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Friday, March 12, 2021 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- JH04 C.Lisse C.Lisse, B.Bolin UW04 B.Williams P.Nedialkov, D.Bizyaev ACTUAL PROG INSTRUMENT START FINISH -------------------------------------------------------------------- JH04 ARCTIC --:-- --:-- UW04 DIS --:-- --:-- PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- JH04/R 18:18 00:10 5.9 0 0 0 0.0 0.0 0 0 UW04/R 00:10 06:07 5.9 0 0 0 0.0 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: J.Dembicky Clouds, Dust and Wind in various combinations all night long. We never opened. ------- 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 -------------------------------------------------------------------------- ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 47 7 19 241 (WSW) 1052 cloudy none 17:00 45 4 20 218 (SW) 1298 cloudy none 18:00 44 4 20 199 (SSW) 1823 cloudy none 19:00 44 2 22 204 (SSW) 3606 cloudy dust 20:00 44 1 24 203 (SSW) 6073 cloudy dust 21:00 44 0 25 216 (SW) 6912 cloudy dust 22:00 42 -1 35 222 (SW) 4236 cloudy none 23:00 41 1 24 212 (SSW) 2551 cloudy none 00:00 40 9 28 208 (SSW) 1433 cloudy none 01:00 40 11 24 195 (SSW) 828 cloudy none 02:00 40 14 25 187 (S) 947 cloudy none 03:00 40 18 19 194 (SSW) 1035 cloudy none 04:00 40 20 29 191 (S) 1929 cloudy none 05:00 38 20 23 203 (SSW) 2883 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 SOFTWARE ---------- Current TCC version: 1.4.2 Current HUB version: v20171231_01 Current TUI version: 2.6.0