Date: Mon, 26 May 2008 11:31:02 -0000 (UTC) Subject: 3.5m Night Log 20080525 From: "Gabrelle Saurage" Apache Point Observatory 3.5m Telescope Night Log Sunday, May 25th, 2008 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH ------------------------------------------------------------------- W.Zheng W.Zheng NICFPS 20:15 22:50 D.Haggard D.Haggard DIS 23:00 01:04 D.Hoffman D.Hoffman DIS 01:05 05:30 INST SCHED(TWILIGHT) WEATH EQUIP OBS DAY NOT USED I/ROW/DN START FINISH D B D B D B USE D B --------------------------------------------------------------------- DD05/R 21:04 01:05 0 0 0 0.3 3.2 0.5 0 0 0 NM03.0/O 01:05 04:56 0 0 0 0 0 3.9 0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialists: G.Saurage Az Velo Scales: 587.0, 584.2; 585.6 (changed to 586) 21:50 Rotator controller error. Fritz was logged in and already knew the cause. Quickly recovered; we were not taking data at that moment. Clear skies, low dust. Good seeing again all night. ------- FAILURE LOG ------- PROG INST FAILURE MODE TIME (SEDFNVOG) TI/SHU START FINISH DESCRIPTION ---------------------------------------------------------------------- DD05 N T/S 21:47 22:05 Rotator controller error ---------------- FOCUS LOG --------------- Time Instrument Focus Az El Temp Strc Prim Sec Air filt FWHM ----------------------------------------------------------------- 19:55 NICFPS 34(1040) 324 36 14.4 15.6 15.5 14.6 14.5 0.74 22:32 dis-slit 57( 361) 291 48 13.8 14.0 14.5 13.7 13.8 1.54 00:10 dis-slit 182( 302) 339 74 12.3 12.6 13.0 12.1 12.4 1.13 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------- 16:00 67 17 26 226 (SW) 1548 clear none 17:00 68 15 20 219 (SW) 1516 clear none 18:00 67 16 22 203 (SSW) 1890 clear none 19:00 62 14 24 243 (WSW) 1484 clear none 20:00 59 14 15 212 (SSW) 1448 clear none 21:00 58 12 14 236 (SW) 1184 clear none 22:00 58 13 11 249 (WSW) 1031 clear none 23:00 58 13 13 267 (W) 1150 clear none 00:00 55 15 14 240 (WSW) 1298 clear none 01:00 54 18 11 263 (W) 1603 clear none 02:00 53 17 13 235 (SW) 1706 mstly clr none 03:00 52 18 13 240 (WSW) 1835 mstly clr none 04:00 50 19 13 260 (W) 1723 mstly clr none 05:00 49 18 11 271 (W) 1645 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: 2.9.1 Current TUI version: TUI 1.4.5