Date: Mon, 21 May 2012 11:31:57 -0000 (UTC) Subject: 3.5m Night Log 20120520 From: "Gabrelle Saurage" Apache Point Observatory 3.5m Telescope Night Log Sunday, May 20, 2012 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- J.Prieto J.Prieto DIS 20:00 00:40 A.Kowalski A.Kowalski DIS 3:30 05:15 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B ---------------------------------------------------------------- PU05/R 20:08 01:10 0.5 0 0 0 4.5 0.0 0 0 UW03/R 01:10 05:52 2.2 0 0 0 2.5 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: G.Saurage Clear but hazy skies. Good for eclipse viewing. Closed at 00:40 due to rising levels of humidity + dust, reopened 3:20 am. NO problems. ------- 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 -------------------------------------------------------------------------- 20:07 dis-slit 444( 442) 299 51 10.9 13.3 13.2 12.2 10.9 2.19 02:32 dis-slit 499( 292) 83 61 10.5 9.6 10.0 9.8 10.0 1.68 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 67 29 11 269 (W) 2524 clear none 17:00 65 27 15 219 (SW) 2328 clear none 18:00 67 30 6 255 (WSW) 2241 clear none 19:00 62 34 12 227 (SW) 1955 clear none 20:00 54 39 13 87 (E) 2159 clear none 21:00 52 40 24 72 (ENE) 2491 clear none 22:00 51 43 17 83 (E) 2883 clear none 23:00 51 43 17 80 (E) 3181 clear none 00:00 51 45 18 77 (ENE) 3540 clear none 01:00 50 45 16 77 (ENE) 3559 clear dust 02:00 50 45 10 91 (E) 3846 clear dust 03:00 50 42 9 109 (ESE) 3669 clear humid 04:00 51 42 13 135 (SE) 3021 clear none 05:00 52 40 13 148 (SSE) 2857 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 STATUS Telescope drives operational. Current TCC version: 2.15.0 Current TUI version: 1.9.5