Date: Never From: No one Subject: 3.5m Night Log 20021205 Apache Point Observatory 3.5m Telescope Night Log Thursday, December 5, 2002 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH ------------------------------------------------------------------- J.Dalcanton DIS --:-- --:-- R.Walterbos DIS --:-- --:-- INST SCHEDULED WEATH EQUIP OBS DAY NOTUSED I/RO/DN START FINISH D B D B D B USE D B -------------------------------------------------------------------- UW02/R 17:54 00:00 0 0 5.6 0.5 0 0 0 0 0 NM04/R 00:00 05:54 0 0 5.9 0 0 0 0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- The telescope was shut down for emergency repairs to the azimuth motors. Up to 10 hours of this night might have been usable, unless there was snow remaining on the roof of the dome (very possible). Weather info from the SDSS log: Wind Time Temp F Dewp F MPH Direction Dust DIMM Sky 22:15Z 34 27 5 54 (NE) 67 - 00:21Z 31 28 0 121 (ESE) 59 - 00:53Z 30 28 3 16 (NNE) 72 - 01:09Z 30 27 0 213 (SSW) 59 - 01:41Z 29 27 6 43 (NE) 89 - 02:13Z 28 26 6 86 (E) 54 - 02:45Z 30 18 13 57 (ENE) 28 - 03:17Z 31 14 8 49 (NE) 59 - 03:49Z 30 12 5 11 (N) 18 - 04:20Z 31 8 6 83 (E) 21 - 04:51Z 33 5 5 87 (E) 12 - 05:21Z 32 5 4 92 (E) 17 - 05:51Z 32 4 4 105 (ESE) 25 - 06:22Z 29 20 0 251 (WSW) 48 - 06:54Z 28 17 3 187 (S) 52 - 07:27Z 28 17 1 210 (SSW) 43 - 07:59Z 29 14 0 178 (S) 19 - 08:31Z 30 11 0 239 (WSW) 20 - 09:03Z 29 13 2 238 (WSW) 39 - 09:35Z 31 11 0 212 (SSW) 52 - 10:08Z 29 14 2 206 (SSW) 34 - 10:38Z 28 15 1 145 (SE) 48 - 11:08Z 31 7 5 103 (ESE) 36 - 11:40Z 31 4 6 183 (S) 25 - 12:10Z 30 2 5 183 (S) 19 - 12:40Z 32 0 3 126 (SE) 16 - ------- FAILURE LOG ------- PROG INST FAILURE MODE TIME (SEGDFVO) TI/SHU START FINISH DESCRIPTION ----------------------------------------------------------------------- UW02 D T/H 17:54 00:00 az motor repairs NM04 D T/H 00:00 05:54 az motor repairs ---------------- 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 ------------------------------------------------------------------ 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: 2.82 Current guide software version: GIm Ctrlv4.1b2 Current TCC version: 2.6.8