Date: Sun, 4 Jan 2009 13:52:40 -0000 (UTC) Subject: 3.5m Night Log 20090103 From: "Gabrelle Saurage" Apache Point Observatory 3.5m Telescope Night Log Saturday, January 3rd, 2009 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH ------------------------------------------------------------------- J.Frieman D.Tucker, S.Allam DIS 17:14 00:03 G.Stringfellow J.Stocke, G.Stringfellow DIS, SPICAM 00:05 06:20 INST SCHED(TWILIGHT) WEATH EQUIP OBS DAY NOT USED I/ROW/DN START FINISH D B D B D B USE D B ---------------------------------------------------------------------- UC05/R 18:08 00:10 0 0 0 0 0 6.0 0 0 0 CU01/R 00:10 06:09 0 0 0 0 6.0 0 0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialists: G.Saurage AzVeloScale: 580.8, 579.7; 580.2 (no change) Good seeing and mostly clear skies all night. Humidity threatened closure during second half but we held our ground and stayed open. ------- 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 ----------------------------------------------------------------- 17:59 dis-slit 106( -168) 20 46 0.7 2.1 1.4 1.2 1.0 1.30 22:20 dis-slit -6( -385) -177 70 0.7 0.5 0.8 0.2 0.6 0.78 03:31 SPICAM -120( -328) 75 72 -1.4 -1.2 -1.0 -1.7 -1.4 V 0.81 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------- 16:00 40 24 21 253 (WSW) 529 clear none 17:00 36 24 16 264 (W) 642 clear none 18:00 33 25 15 258 (WSW) 780 clear none 19:00 33 22 19 259 (W) 691 clear none 20:00 34 20 17 265 (W) 472 clear none 21:00 33 22 19 278 (W) 601 clear none 22:00 33 22 17 265 (W) 655 clear none 23:00 33 23 18 269 (W) 565 clear none 00:00 33 24 15 267 (W) 591 ptly cldy none 01:00 32 24 16 266 (W) 618 mstly clr none 02:00 32 25 11 270 (W) 657 ptly cldy none 03:00 30 26 9 253 (WSW) 769 mstly clr humid 04:00 29 25 8 252 (WSW) 781 mstly clr humid 05:00 31 23 14 228 (SW) 629 mstly clr none 06:00 30 22 10 238 (WSW) 549 mstly clr 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: 2.9.1 Current TUI version: TUI 1.5