Subject: 3.5m Night Log 20190321 From: mcmillan@apo.nmsu.edu Date: Fri, 22 Mar 2019 12:27:22 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Thursday, March 21, 2019 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- G.Stringfellow G.Stringfellow ECHELLE 20:30 21:12 J.Roberts J.Roberts ARCTIC 21:27 22:45 J.Roberts J.Roberts ARCTIC 00:45 02:15 J.Hackiewicz P.Gaulme Echelle --:-- --:-- INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B ---------------------------------------------------------------- CU07/R 19:24 21:15 0.8 0.3 0 0 0.0 0.8 0 0 CU02/R 21:15 03:56 0 3.9 0 0 0.0 2.8 0 0 NM02/R 03:56 06:56 0 3.0 0 0 0.0 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: R.McMillan We had waves of thick high clouds, and occasionally low clouds, and borderline humidity, and some radar echoes within the county. Nevertheless we were able to open for two periods of thinner clouds and get some hopefully valuable data. ------- FAILURE LOG ------- PROG INST FAILURE MODE TIME (SEDFNVOG) TI/SHU START FINISH DESCRIPTION ---------------------------------------------------------------------- ---------------- FOCUS LOG --------------- Time Instrument Focus Az El Temp Strc Prim Sec Air filt FWHM -------------------------------------------------------------------------- 20:35 tcamera 715( 1174) 214 35 5.6 6.6 6.4 6.6 5.6 Ks 1.49 21:35 arctic 620( 978) 37 40 5.8 5.7 6.0 5.6 5.7 SDSS_g 1.21 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 47 24 17 187 (S) 272 mstly cldy none 17:00 45 27 19 182 (S) 329 mstly cldy none 18:00 42 32 9 180 (S) 426 ptly cldy none 19:00 41 32 12 172 (S) 516 ptly cldy none 20:00 42 32 16 185 (S) 684 mstly clr none 21:00 42 32 15 197 (SSW) 764 ptly cldy none 22:00 43 28 24 206 (SSW) 687 ptly cldy none 23:00 38 32 17 152 (SSE) cloudy none 00:00 42 31 16 175 (S) 588 cloudy none 01:00 41 32 20 188 (S) 553 mstly cldy none 02:00 40 32 15 178 (S) ptly cldy none 03:00 39 32 14 189 (S) mstly cldy none 04:00 38 32 17 197 (SSW) mstly cldy none 05:00 37 31 12 203 (SSW) cloudy none 06:00 37 30 12 203 (SSW) 550 cloudy 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 STATUS Telescope drives operational. Current TCC version: 1.2.4 Current TUI version: 2.6.0