Subject: 3.5m Night Log 20200825 From: trudyk@apo.nmsu.edu Date: Wed, 26 Aug 2020 12:17:14 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Tuesday, August 25, 2020 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- GS03 D.Gies K.Shepard UW03 Y.Notsu Y.Notsu ACTUAL PROG INSTRUMENT START FINISH -------------------------------------------------------------------- GS03 ECHELLE 19:45 01:10 UW03 ECHELLE 01:10 06:26 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- GS03/R 19:45 01:10 0 0 0 0 0.7 4.7 0 0 UW03/R 01:10 06:26 0 0 0 0 5.3 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.Rudyk Sunset was partly cloudy. Winds were low and seeing was good. It cleared up around 20:30. Some clouds passed through around 03:00. They cleared out before dawn. We were open all night. ------- 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 -------------------------------------------------------------------------- 19:56 ecamera 387( 98) -29 81 16.8 18.4 18.6 18.2 17.1 ND4 0.99 21:17 ecamera 413( 55) -2 45 15.9 16.6 17.1 16.2 15.9 ND1 1.03 22:51 ecamera 407( -36) 114 59 14.5 15.0 15.7 14.8 14.6 ND2 1.21 01:11 ecamera 374( -132) -119 66 13.5 13.7 14.4 13.6 13.8 ND2 1.01 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 67 34 7 202 (SSW) 637 ptly cldy none 17:00 66 32 5 259 (W) 657 ptly cldy none 18:00 67 31 1 237 (WSW) 649 ptly cldy none 19:00 64 30 10 200 (SSW) 625 ptly cldy none 20:00 62 27 7 192 (SSW) 585 clear none 21:00 61 26 15 144 (SE) 665 clear none 22:00 59 27 22 127 (SE) 808 clear none 23:00 58 24 17 120 (ESE) 901 clear none 00:00 57 32 10 119 (ESE) 971 clear none 01:00 56 31 11 117 (ESE) 1090 clear none 02:00 58 31 5 111 (ESE) 1007 clear none 03:00 58 32 1 133 (SE) 1025 ptly cldy none 04:00 60 32 2 238 (WSW) 763 ptly cldy none 05:00 59 32 5 259 (W) 802 clear none 06:00 57 31 4 198 (SSW) 942 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: 1.2.4 Current HUB version: v20171231_01 Current TUI version: 2.6.0