Date: Wed, 4 Feb 2004 05:24:39 -0700 (MST) From: Jack Dembicky Subject: 3.5m Night Log 20040203 Apache Point Observatory 3.5m Telescope Night Log Tuesday, February 3, 2004 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- M.Drosback T.Snow,J.Tumlinson Echelle --:-- --:-- J.Lutz J.Lutz Echelle --:-- --:-- INST SCHEDULED WEATH EQUIP OBS DAY NOT USED I/RO/DN START FINISH D B D B D B USE D B --------------------------------------------------------------------- CU05/O 18:33 00:15 0 5.7 0 0 0 0 0 0 0 UW11/R 00:15 06:01 0 5.8 0 0 0 0 0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- 1st Half Observing Specialist: J.Barentine Skies threatened snow all this afternoon. Around 17:00, the first flakes started flying, but the snow remained light throughout the early evening. Accumulation did not begin until about 19:00. Only one quarter-inch of snow accumulated before the snow ended. The remainder of first half was overcast with precip in the area on radar. 2nd Half Observing Specialist: J.Dembicky Cloudy skies with snow starting to fall around 04:00. Maybe 3/4 inch accumulation by 5:00 and still snowing. ------- FAILURE LOG ------- PROG INST FAILURE MODE TIME (SEGDFVO) 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 32 13 16 176 (S) Overcast none 17:01 30 14 17 196 (SSW) Overcast lt snow 18:01 30 15 28 201 (SSW) Overcast lt snow 19:01 30 15 11 253 (WSW) Overcast lt snow 20:01 27 21 9 264 (W) Overcast none 21:01 27 24 13 275 (W) Overcast none 22:01 26 24 14 262 (W) Overcast none 23:01 25 24 16 263 (W) Overcast none 00:01 24 23 14 264 (W) Overcast none 01:01 22 22 21 291 (WNW) Overcast none 02:01 22 20 16 269 (W) Overcast none 03:01 21 20 17 269 (W) Cloudy none 04:01 22 20 18 265 (W) Cloudy snow 05:01 23 20 8 264 (W) Cloudy snow 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. Note: The weather tower dust counter is out of commision TELESCOPE STATUS Telescope drives operational. Current Remark version: 2.85b Current guide software version: guider v4.1b4 Current TCC version: 2.7.2 Current TUI version: TUI-0.82