Subject: 3.5m Night Log 20210328 From: dembicky@apo.nmsu.edu Date: Mon, 29 Mar 2021 12:58:33 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Sunday, March 28, 2021 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- NM08 E.Nielsen E.Nielsen JH02 H.Reggiani H.Reggiani ACTUAL PROG INSTRUMENT START FINISH -------------------------------------------------------------------- NM08 ECHELLE 17:00 01:07 JH02 ECHELLE 01:07 06:30 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- NM08/R 19:29 01:10 0 0 0 0 0.0 5.7 0 0 JH02/R 01:10 06:46 0 0 0 0 0.0 5.6 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: J.Dembicky No problems tonight. Nice and clear sky. Seeing was so-so. ------- 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 -------------------------------------------------------------------------- 19:47 ecamera 439( -408) 218 60 4.3 6.4 6.2 6.1 4.6 clear 1.16 01:18 ecamera 449( -599) 41 67 3.1 2.2 3.4 2.6 2.9 ND2 2.20 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 50 22 11 217 (SW) 1352 clear none 17:00 47 21 12 197 (SSW) 1225 clear none 18:00 48 19 11 249 (WSW) 1303 clear none 19:00 43 17 5 230 (SW) 1317 clear none 20:00 40 17 9 216 (SW) 1344 clear none 21:00 39 17 8 211 (SSW) 1299 clear none 22:00 38 18 5 182 (S) 1384 clear none 23:00 38 18 8 205 (SSW) clear none 00:00 37 17 8 193 (SSW) clear none 01:00 37 18 8 186 (S) 1241 clear none 02:00 37 19 10 187 (S) 1578 clear none 03:00 38 17 12 207 (SSW) 1625 clear none 04:00 38 18 8 222 (SW) 1825 clear none 05:00 38 18 6 215 (SW) 1613 clear none 06:00 37 19 9 203 (SSW) 1553 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