Subject: 3.5m Night Log 20180412 From: trudyk@apo.nmsu.edu Date: Fri, 13 Apr 2018 11:33:09 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Thursday, April 12, 2018 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- J.Wisniewski J.Wisniewski ARCTIC --:-- --:-- W.Peters W.Peters DIS --:-- --:-- INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B ---------------------------------------------------------------- OU03/R 19:40 01:10 5.5 0 0 0 0.0 0.0 0 0 GS02/R 01:10 06:28 4.2 1.1 0 0 0.0 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.Rudyk Evening started with high winds and rising dust. Wind was too high to safely perform slew tests during checkout. Winds worsened as the night progressed. By 23:00 gusts were just shy of 60mph. Winds died down starting around 03:00, but the dust counts remianed very high. We did not open tonight. ------- 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 -------------------------------------------------------------------------- ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 59 14 23 262 (W) 5404 clear none 17:00 58 18 28 261 (W) 8054 ptly cldy dust 18:00 55 20 37 253 (WSW) 6671 mstly cldy dust 19:00 56 18 42 258 (WSW) 7545 mstly cldy dust 20:00 53 14 39 251 (WSW) 10728 ptly cldy dust 21:00 52 15 30 251 (WSW) 7271 ptly cldy dust 22:00 50 17 39 255 (WSW) 5265 ptly cldy dust 23:00 49 18 36 261 (W) 6006 ptly cldy dust 00:00 47 22 39 253 (WSW) 7377 ptly cldy dust 01:00 45 15 39 244 (WSW) 5020 ptly cldy dust 02:00 41 10 29 267 (W) 26163 ptly cldy dust 03:00 37 3 20 259 (W) 25733 ptly cldy dust 04:00 35 4 42 286 (WNW) 26094 ptly cldy dust 05:00 33 6 30 275 (W) 15643 ptly cldy dust 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