Date: Sat, 20 Oct 2007 13:00:25 -0000 (UTC) Subject: 3.5m Night Log 20071019 From: "Gabrelle Saurage" Apache Point Observatory 3.5m Telescope Night Log Friday, October 19th, 2007 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH ------------------------------------------------------------------- R.Walterbos R.Walterbos,+ students DIS 19:20 00:59 M.Shin M.Shin,M.Oguri DIS 01:05 06:50 INST SCHED(TWILIGHT) WEATH EQUIP OBS DAY NOT USED I/ROW/DN START FINISH D B D B D B USE D B --------------------------------------------------------------------- NM08/R 19:19 01:05 0 0 0 0 0.1 5.7 0 0 0 PU06/R 01:05 06:17 0 0 0 0 5.2 0 0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialists: G.Saurage Mostly clear night, good seeing. No real problems. First half struggled a bit with getting a good focus offset between the slitviewer and the spectrograph; and possible bad guiding, but not repeatable on other parts of sky or during second half. ------- 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 ----------------------------------------------------------------- 19:46 dis-slit 7(404) 100 52 11.7 13.5 12.6 11.6 11.8 1.0 21:51 dis-slit -124(170) 99 53 11.6 11.2 11.3 9.8 10.9 0.9 23:26 dis-slit -77(194) 120 63 11.5 10.8 11.2 9.9 10.7 0.9 01:18 dis-slit -102(170) -33 40 11.0 10.3 10.8 10.0 10.6 1.1 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------- 16:00 57 20 11 327 (NNW) 161 mstly clr none 17:00 57 19 1 269 (W) 173 mstly clr none 18:00 55 16 7 335 (NNW) 211 mstly clr none 19:00 54 15 4 351 (N) 145 clear none 20:00 53 16 10 316 (NW) 148 clear none 21:00 52 17 5 270 (W) 237 clear none 22:00 53 17 7 284 (WNW) 202 clear none 23:00 53 15 7 266 (W) 178 clear none 00:00 51 18 7 256 (WSW) 218 clear none 01:00 51 17 8 240 (WSW) 188 clear none 02:00 51 16 13 227 (SW) 186 clear none 03:00 50 15 9 222 (SW) 242 mstly clr none 04:00 49 17 11 241 (WSW) 334 mstly clr none 05:00 51 18 11 254 (WSW) 364 ptly cldy none 06:00 51 18 10 261 (W) 317 ptly cldy 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 1.4.1b2