Subject: 3.5m Night Log 20231226 From: ajt@apo.nmsu.edu Date: Wed, 27 Dec 2023 11:44:16 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Tuesday, December 26, 2023 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- WY04 C.Kobulnicky E.Cook OU04 K.Leighly K.Leighly,D.Terndrup,J.Choi ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- WY04 ECHELLE --:-- --:-- OU04 TSPEC --:-- --:-- PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- WY04/R 17:13 00:10 0 7.0 0 0 0.0 0.0 0 0 OU04/R 00:10 06:55 0 6.8 0 0 0.0 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: A.Townsend We had a 15mph wind limit tonight due to lingering snow and ice on dome. The wind gusts were mostly over 20mph and we didn't open. Dome is parked west for melting snow. ------- 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 23 -2 12 17 (NNE) 181 clear none 17:00 23 -3 2 90 (E) 168 clear none 18:00 22 -2 6 311 (NW) 182 clear none 19:00 24 -2 6 343 (NNW) 193 clear none 20:00 24 -2 23 349 (N) 162 clear none 21:00 24 -1 23 356 (N) 187 clear none 22:00 24 0 23 13 (NNE) 189 clear none 23:00 23 1 17 11 (N) 210 clear none 00:00 26 -2 15 352 (N) 287 clear none 01:00 22 -2 14 30 (NNE) 300 clear none 02:00 24 -5 19 30 (NNE) 290 clear none 03:00 25 -6 20 26 (NNE) 259 clear none 04:00 25 4 20 33 (NNE) 158 clear 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: 3.1.3