Date: Thu, 23 Dec 2004 05:48:08 -0700 (MST) From: John Barentine Subject: 3.5m Night Log 20041222 Apache Point Observatory 3.5m Telescope Night Log Wednesday, December 22, 2004 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- D.York J.Barentine DIS --:-- --:-- INST SCHEDULED WEATH EQUIP OBS DAY NOT USED I/RO/DN START FINISH D B D B D B USE D B ---------------------------------------------------------------------- UC04/O 18:00 06:04 1.5 10.6 0 0 0 0 0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- 1st Half Observing Specialist: J.Dembicky Wind and tempreature restrictions tonight due to snow on the enclosure (below freezing and winds below 15MPH per Mark K.) 2nd Half Observing Specialist: John Barentine Continued right at/near the humidity limit all second half, with light winds and passing waves of clouds. We didn't chance it, and never opened. ------- FAILURE LOG ------- PROG INST FAILURE MODE TIME (SEGNDFVO) TI/SHU START FINISH DESCRIPTION ----------------------------------------------------------------------- ---------------- FOCUS LOG --------------- Air/Truss Wind Time Instrument Focus Az El Temp-C Dir MPH filt FWHM --------------------------------------------------------------------- ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:01 20 15 3 307 (NW) 192 Cloudy none 17:01 19 15 9 2 (N) 7654 Cloudy none 18:01 17 12 13 21 (NNE) 209 Mst. Cldy none 19:01 16 11 6 10 (N) 214 Pt. Cldy none 20:01 16 12 10 339 (NNW) 171 Clear none 21:01 14 6 9 343 (NNW) 145 Clear none 22:01 16 8 13 327 (NNW) 198 Clear none 23:01 16 9 12 304 (NW) 279 Mst. Cldy none 00:01 16 12 7 275 (W) 416 Pt. Cldy none 01:01 16 12 7 275 (W) 420 Pt. Cldy none 02:01 16 11 10 266 (W) 367 Pt. Cldy none 03:01 17 10 10 261 (W) 329 Mst. Cldy none 04:01 16 11 9 281 (W) 327 Mst. Cldy none 05:01 16 10 7 271 (W) 319 Pt. 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 Remark version: 2.85b Current TCC version: 2.7.2 Current TUI version: TUI 0.931