Subject: 3.5m Night Log 20240726 From: ajt@apo.nmsu.edu Date: Sat, 27 Jul 2024 11:23:18 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Friday, July 26, 2024 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- UW05 S.Hawley S.Hawley UV04 M.Skrutskie M.Shahbandeh ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- UW05 ECHELLE --:-- --:-- UV04 TSPEC --:-- --:-- PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- UW05/R 20:14 01:10 3.4 1.6 0 0 0.0 0.0 0 0 UV04/R 01:10 06:05 0 4.9 0 0 0.0 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: A.Townsend After watching the radar to the north and south of us, we got a little bit of rain tonight! We also had lots of clouds. We were unable to open at all. ------- 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 73 41 11 296 (WNW) 2403 ptly cldy none 17:00 74 41 12 181 (S) 2590 ptly cldy none 18:00 73 41 7 256 (WSW) 2492 mstly cldy none 19:00 71 40 15 245 (WSW) 2581 cloudy none 20:00 67 41 8 243 (WSW) 2927 cloudy lt rain 21:00 60 45 18 148 (SSE) 3824 ptly cldy none 22:00 60 44 14 145 (SE) 2736 ptly cldy none 23:00 63 41 13 233 (SW) 2743 cloudy none 00:00 61 45 6 5 (N) 2505 cloudy none 01:00 61 43 7 58 (ENE) 2576 cloudy none 02:00 60 43 2 145 (SE) 2453 cloudy lt rain 03:00 57 44 11 148 (SSE) 2484 cloudy rain 04:00 59 43 8 133 (SE) 2567 cloudy lt rain 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: 3.1.5