Date: Sun, 4 May 2003 04:53:32 -0600 (MDT) From: Jack Dembicky Subject: 3.5m Night Log 20030503 Apache Point Observatory 3.5m Telescope Night Log Saturday, May 3, 2003 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- J.Carlstrom K.Dawson SPIcam 20:05 00:00 INST SCHEDULED WEATH EQUIP OBS DAY NOTUSED I/RO/DN START FINISH D B D B D B USE D B -------------------------------------------------------------------- UC02/R 20:44 05:15 5.3 0 0 0 1.9 1.3 0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: J.Dembicky I started cooling around 19:00 and opened the enclosure to further cool around 19:50 (after it looked like the dust and winds had subsided enough). Clouds became too thick around midnight and pretty much put a stop to any science for the rest of the night. We gave up around 04:30 since there wasn't much chance in the clouds clearing out and getting anything useful in the remaining time. The winds also went over the closure limit shortly after we gave up. ------- 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 --------------------------------------------------------------------- 20:50 SPIcam -30(1015) 4 66 11.8/12.6 255 25 r' 1.5 20:54 NA2gdr 927(49927) 4 66 11.9/12.6 262 25 clear 1.59 23:36 SPIcam -150(827) -60 57 9.7/10.6 249 21 r' 1.97 23:52 NA2gdr 2000(51000) -60 54 9.6/10.4 230 15 clear 2.17 --------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 17:01 60 11 27 263 (W) 1909 Pt. Cldy none 18:01 58 10 23 266 (W) 2235 Pt. Cldy none 19:01 56 8 24 252 (WSW) 1849 Pt. Cldy none 20:01 54 5 20 263 (W) 1681 Pt. Cldy none 21:01 53 3 24 256 (WSW) 1524 Pt. Cldy none 22:01 53 2 20 251 (WSW) 1159 Pt. Cldy none 23:01 51 2 29 254 (WSW) 1113 Pt. Cldy none 00:01 49 2 22 245 (WSW) 1218 Cloudy none 01:01 48 2 23 263 (W) 1292 Cloudy none 02:01 46 3 22 263 (W) 1292 Cloudy none 03:01 45 3 23 255 (WSW) 1295 Cloudy none 04:01 44 3 25 262 (W) 1333 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 Primary, secondary, and tertiary mirrors in place and collimated. Primary support system operational. Mirror ventilation system in place. Telescope drives operational. Current Remark version: 2.80b Current guide software version: GIm Ctrlv4.1b4 Current TCC version: 2.6.8 Current TUI version: 0.66