Subject: 3.5m Night Log 20240326 From: dembicky@apo.nmsu.edu Date: Wed, 27 Mar 2024 11:39:08 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Tuesday, March 26, 2024 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- EN01 B.Ketzeback J.Dembicky ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- EN01 KOSMOS --:-- --:-- PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- EN01/W 19:28 06:49 1.3 10.0 0 0 0.0 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: J.Dembicky 18:15 Thunder snow and lightning!!! plus grapple. Temperature took a 2C drop as well when it hit us. The snowstorm quickly dumped about 1/2" of new snow on site, adding to the 1.5" we already received during the day. I had to startNubs gcam to get it working. Russet did a couple tests with the 20 arc sec slits in Kosmos. I wokred on ARCSAT documentation. HIgh humidity with some snow showers during the night. About an 1-1.5 inches additional from yesterday. Snow program was ran all night. I gave up at 05:20 and left the dome facing due south. ------- 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 24 19 11 239 (WSW) mstly cldy humid 17:00 26 22 21 274 (W) mstly cldy humid 18:00 26 22 17 276 (W) cloudy snow 19:00 23 24 14 306 (NW) cloudy humid 20:00 22 20 17 293 (WNW) cloudy humid 21:00 24 19 17 283 (WNW) cloudy humid 22:00 24 19 16 272 (W) cloudy humid 23:00 23 20 11 270 (W) cloudy humid 00:00 23 22 16 278 (W) cloudy humid 01:00 22 25 13 292 (WNW) cloudy humid 02:00 22 20 12 325 (NW) cloudy humid 03:00 22 22 2 276 (W) cloudy lt snow 04:00 21 21 5 335 (NNW) cloudy humid 05:00 22 19 5 339 (NNW) ptly cldy humid 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