Subject: 3.5m Night Log 20220226 From: ajt@apo.nmsu.edu Date: Sun, 27 Feb 2022 14:02:23 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Saturday, February 26, 2022 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- WY01 M.Brotherton J.McLane UW09 B.Morris B.Morris JH03 M.Guolo M.Guolo,JHU class CG01 C.Gray C.Gray ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- WY01 TSPEC 18:07 18:18 UW09 ECHELLE 19:35 01:00 JH03 KOSMOS 01:09 04:36 CG01 ECHELLE 04:40 06:26 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- WY01/R 18:07 19:37 0 0 0 0 1.5 0.0 0 0 UW09/R 19:37 01:10 0 0 0 0 5.6 0.0 0 0 JH03/O 01:10 04:40 0 0 0 0 3.4 0.0 0 0 CG01/O 04:40 06:24 0 0 0 0 0.0 1.8 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: A.Townsend Motion error at 18:51, alt 57.4 while tracking (no slew) at transit when alt motion switched from upwards to downwards. Good weather and appx 1 arcsecond seeing all night long. ------- 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 -------------------------------------------------------------------------- 18:17 tcamera 383( 985) 9 63 1.3 4.3 4.0 4.1 3.9 Ks 1.25 19:40 ecamera 307( -462) 94 53 1.8 1.6 2.4 1.7 2.1 ND4 0.99 01:32 kosmos 350( 540) 167 73 0.7 -0.1 0.7 -0.3 0.1 -- 1.07 04:46 ecamera 295( -611) 40 75 -0.8 -1.1 -0.9 -1.8 -1.3 ND4 0.99 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 43 2 6 257 (WSW) 667 clear none 17:00 40 1 10 263 (W) 682 clear none 18:00 35 0 2 321 (NW) 694 clear none 19:00 35 3 11 324 (NW) 691 clear none 20:00 35 2 9 298 (WNW) 717 clear none 21:00 35 3 6 197 (SSW) 748 clear none 22:00 35 2 6 253 (WSW) 779 clear none 23:00 35 2 7 251 (WSW) 655 clear none 00:00 33 2 6 190 (S) 762 clear none 01:00 34 2 8 211 (SSW) 778 clear none 02:00 33 2 5 255 (WSW) 792 clear none 03:00 30 3 6 250 (WSW) 761 clear none 04:00 32 3 6 259 (W) 756 clear none 05:00 31 3 5 329 (NNW) 746 clear none 06:00 31 5 6 297 (WNW) 719 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: 2.6.0