Subject: 3.5m Night Log 20230923 From: mcmillan@apo.nmsu.edu Date: Sun, 24 Sep 2023 12:45:15 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Saturday, September 23, 2023 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- NM08 A.Smith A.Smith,E.Nielsen UW01 S.Hawley J.Libby-Roberts,A.Lin ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- NM08 ECHELLE 19:07 01:04 UW01 ARCTIC 01:09 06:13 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- NM08/R 19:07 01:10 0 0 0 0 0.0 6.0 0 0 UW01/R 01:10 06:44 0 0 0 0 5.6 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: R.McMillan Another peaceful, productive night with mostly clear skies and good seeing! ------- 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 -------------------------------------------------------------------------- 18:19 ecamera 540( 706) 194 55 16.7 18.3 17.9 17.8 17.2 ND4 0.79 00:24 arctic 379( 1490) 42 29 14.9 14.6 15.2 14.6 14.9 SDSS_i 1.10 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 66 39 16 265 (W) 525 mstly clr none 17:00 68 40 13 255 (WSW) 592 ptly cldy none 18:00 65 39 15 277 (W) 583 ptly cldy none 19:00 62 37 10 262 (W) 578 mstly clr none 20:00 62 37 13 269 (W) 645 mstly clr none 21:00 61 37 14 267 (W) 477 mstly clr none 22:00 61 37 15 273 (W) 400 clear none 23:00 59 38 11 290 (WNW) 442 clear none 00:00 59 37 12 307 (NW) 496 clear none 01:00 60 35 12 281 (W) 536 clear none 02:00 59 36 12 275 (W) 516 clear none 03:00 58 35 8 280 (W) 496 clear none 04:00 58 35 9 269 (W) 576 clear none 05:00 58 35 12 275 (W) 598 clear none 06:00 57 33 9 275 (W) 582 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: 3.1.3beta0