Date: Tue, 10 May 2011 05:37:19 -0600 (MDT) Subject: 3.5m Night Log 20110509 From: "Jack Dembicky" Apache Point Observatory 3.5m Telescope Night Log Monday, May 09, 2011 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- G.Gyuk G.Gyuk, M.Hammergren DIS 23:45 01:00 B.Balick B.Balick DIS 01:00 05:45 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B ---------------------------------------------------------------- UC06/R 19:59 01:10 3.9 0 0 0 0.0 1.3 0 0 UW07/R 01:10 06:00 0 0 0 0 4.6 0.2 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: J.Dembicky Dust and wind to start the night, which kept us closed until almost midnight. No problems tonight. DIS Blue started the night at around -85C and at the end of the night was reading -92C. ------- 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 -------------------------------------------------------------------------- 23:52 dis-slit 339( 120) 43 56 10.0 11.7 11.5 10.7 10.6 -- 1.40 01:13 dis-slit 302( 15) -155 34 9.4 9.6 9.8 9.1 9.2 -- 1.70 03:06 dis-slit 193( -217) 61 64 7.3 8.0 8.2 7.4 7.5 -- 1.40 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 61 18 27 261 (W) 3942 clear dust 17:00 63 21 22 231 (SW) 10396 clear dust 18:00 61 18 31 222 (SW) 15397 clear dust 19:00 58 16 26 237 (WSW) 15648 clear dust 20:00 54 12 28 234 (SW) 17329 clear dust 21:00 53 11 30 219 (SW) 14522 clear dust 22:00 52 11 25 236 (SW) 10342 mstly clr dust 23:00 51 10 27 245 (WSW) 5594 mstly clr dust 00:00 50 10 26 265 (W) 2450 mstly clr none 01:00 49 12 20 262 (W) 1702 clear none 02:00 48 14 28 239 (WSW) 1579 clear none 03:00 47 18 23 239 (WSW) 1419 clear none 04:00 46 20 20 216 (SW) 1416 clear none 05:00 46 22 19 205 (SSW) 1352 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: 2.14.0 Current TUI version: 1.8.7