Date: Mon, 29 Dec 1997 05:10:16 -0700 (MST) From: Tia Hoyes Subject: 3.5m obslog 971228 SUNDAY DECEMBER 28, 1997 APACHE POINT OBSERVATORY OBSERVING LOG ACTUAL ASTRONOMER INSTRUMENT DATE START FINISH Ford DIS 12/28 ----- ----- Hameed DIS 12/28 ----- ----- INST SCHEDULED OBS WEATH EQUIP DAY NOTUSED I/RS/DN START FINISH D B D B D B USE D B JH02/R 18:34 23:50 0 0 5.3 0 0 0 0 0 0 NM07/S 23:50 05:37 0 0 5.8 0 0 0 0 0 0 (note: times listed include instrument change time) ACTIVITY LOG (* means a trouble report has been issued or appended to) The telescope was not open tonight due to snow and ice on the roof of the enclosure. The observatory encountered high winds over 40mph this evening. Quite a bit of snow was swept around by the winds. Lastest forecast:(4:30AM) .TODAY...MOSTLY SUNNY. NORTHWEST WINDS 10 TO 20 MPH BY AFTERNOON. .TONIGHT...FAIR BUT COLD. .TUESDAY...MOSTLY SUNNY AND A BIT WARMER. .OUTLOOK FOR NEW YEARS DAY...PERIODS OF MOSTLY HIGH CLOUDINESS. FOCUS LOG DECEMBER 28, 1997 Best Telescope Wind Seeing Time Inst Focus Az El Temp# Dir MPH filter FWHM " -----NO FOCUS DATA----- # The first temp is air, the second is truss, both in degrees C. WEATHER DECEMBER 28, 1997 Wind Time Temp F Dewp. MPH. Dir. DUST Sky Precip. 16:01 17 -10 15 10 (N) 124 clear none 17:01 16 -14 22 3 (N) 139 clear none 18:01 16 -10 29 16 (NNE) 136 clear none 19:01 17 -9 19 22 (NNE) 182 clear none 20:01 22 -4 17 17 (NNE) 155 clear none 21:01 23 -1 20 34 (NE) 391 clear none 22:01 22 -1 33 18 (NNE) 116 clear none 23:01 26 2 13 23 (NNE) 140 clear none 00:01 26 3 25 28 (NNE) 110 clear none 01:01 25 3 20 20 (NNE) 111 clear none 02:01 28 6 24 17 (NNE) 104 clear none 03:01 27 6 21 11 (N) 106 clear none 04:01 27 8 23 20 (NNE) 88 clear none 05:01 27 11 18 32 (NNE) 66 clear 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 >1 micron per 0.1 cu. ft. 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: 2.36 Current guide software version:GIm Ctrlv3.0b11. -Tia