Subject: 3.5m Night Log 20240327 From: dembicky@apo.nmsu.edu Date: Thu, 28 Mar 2024 12:55:06 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Wednesday, March 27, 2024 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- WY04 M.Brotherton M.Brotherton WY03 A.Cavanaugh A.Cavanaugh FG01 D.Buzasi D.Buzasi ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- WY04 TSPEC 20:29 20:59 WY03 TSPEC 20:59 01:00 FG01 Echelle 01:03 06:36 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- WY04/R 19:29 20:59 1.0 0 0 0 0.5 0.0 0 0 WY03/R 20:59 01:10 0 0 0 0 0.8 3.4 0 0 FG01/R 01:10 06:47 0 0 0 0 0.0 5.6 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: J.Dembicky 15MPH Wind restriction in effect due to remaining snow/ice on enclosure. This kept us closed the first hour of the night. No telescope problems. Telescope parked due South to further help melt snow/ice on enclosure. ------- 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 -------------------------------------------------------------------------- 20:33 tcamera 391( 982) 62 43 0.7 0.6 0.9 1.1 0.4 Ks 1.16 21:03 tcamera 389( 979) -63 35 0.5 0.4 0.8 0.5 0.6 Ks 1.00 01:21 ecamera 421( -286) -122 64 0.9 -0.1 0.6 -0.3 0.2 ND1 0.66 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 37 16 16 332 (NNW) 476 clear none 17:00 35 14 8 336 (NNW) 440 clear none 18:00 35 15 17 307 (NW) 419 clear none 19:00 34 12 12 305 (NW) 414 clear none 20:00 32 10 7 312 (NW) 355 clear none 21:00 33 8 8 348 (NNW) 703 clear none 22:00 34 6 11 302 (WNW) 527 clear none 23:00 34 7 11 292 (WNW) 559 clear none 00:00 34 8 5 257 (WSW) 515 clear none 01:00 33 8 5 263 (W) 538 clear none 02:00 33 13 7 265 (W) 629 clear none 03:00 33 15 6 267 (W) 662 clear none 04:00 33 17 7 271 (W) 652 mstly clr none 05:00 33 16 6 268 (W) 677 mstly clr none 06:00 33 13 2 257 (WSW) 580 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