Date: Mon, 25 Feb 2008 11:32:01 -0000 (UTC) Subject: 3.5m Night Log 20080224 From: "Gabrelle Saurage" Apache Point Observatory 3.5m Telescope Night Log Sunday, February 24th, 2008 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH ------------------------------------------------------------------- M.Strauss M.Shin NICFPS 23:50 01:15 INST SCHED(TWILIGHT) WEATH EQUIP OBS DAY NOT USED I/ROW/DN START FINISH D B D B D B USE D B --------------------------------------------------------------------- PU04/R 18:50 05:43 0 4.6 0 0 2.8 3.6 0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialists: G.Saurage The thin cirrus here and there at sunset thickened as the night progressed and the wind increased. After midnight winds were gusting over 40mph, with sustained winds in the 30’s with overcast slies. We closed at 1:15 and never reopened. No telescope 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 ----------------------------------------------------------------- 00:05 NICFPS 22( 337) 159 62 2.7 2.3 2.0 1.8 2.5 0.79 18:53 NICFPS 28( 634) -52 30 6.6 7.3 7.4 6.6 6.6 1.14 20:02 NICFPS 3( 526) 127 67 7.0 6.6 7.0 6.1 6.6 0.92 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------- 16:00 52 20 16 208 (SSW) 254 mstly clr none 17:00 48 20 12 219 (SW) 396 mstly clr none 18:00 44 20 14 258 (WSW) 437 mstly clr none 19:00 44 19 18 209 (SSW) 456 mstly clr none 20:00 45 20 18 220 (SW) 328 mstly clr none 21:00 45 21 17 251 (WSW) 429 mstly cldy none 22:00 45 22 27 213 (SSW) 557 mstly cldy none 23:00 45 21 28 233 (SW) 584 mstly cldy none 00:00 44 21 22 245 (WSW) 654 cloudy none 01:00 43 20 24 250 (WSW) 462 cloudy none 02:00 43 20 31 252 (WSW) 375 cloudy none 03:00 43 20 21 245 (WSW) 542 cloudy none 04:00 41 20 21 267 (W) 464 cloudy 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