Apache Point Observatory 3.5m Telescope Night Log Thursday, August 27, 2026 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- AP02 S.Merkowitz R.McMillan,T.Sutherland EN01 B.Ketzeback R.McMillan,T.Sutherland EN01 B.Ketzeback R.McMillan,T.Sutherland ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- AP02 APOLLO --:-- --:-- EN01 TBD --:-- --:-- EN01 TBD --:-- --:-- PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- AP02/R 19:43 23:30 0 3.8 0 0 0.0 0 0 0 EN01/R 23:30 01:10 0 1.7 0 0 0.0 0 0 0 EN01/R 01:10 06:27 0 5.3 0 0 0.0 0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.Sutherland,R.McMillan Thank you Russet for jumping in and helping while I dealt with car nightmares. You da best. Tasks complete: Tron/tcc restert az and na2rotator restarted - not alt dataq restarted ------- 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 64 47 17 50 (NE) 1270 mstly cldy none 17:00 64 41 21 73 (ENE) 734 mstly cldy none 18:00 65 45 12 85 (E) 2588 cloudy none 19:00 65 46 13 86 (E) 3312 cloudy none 20:00 64 45 17 68 (ENE) 3393 cloudy none 21:00 65 46 15 49 (NE) 3591 cloudy none 22:00 63 48 11 102 (ESE) 4253 cloudy rain 23:00 59 49 16 27 (NNE) 3223 cloudy rain 00:00 54 33 18 30 (NNE) 1949 cloudy lt rain 01:00 61 32 19 116 (ESE) 184 cloudy lt rain 02:00 64 32 14 53 (NE) 913 cloudy lt rain 03:00 60 32 11 29 (NNE) 846 ptly 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: 3.2.2