Date: Thu, 20 Feb 2003 04:40:57 -0700 (MST) From: Jack Dembicky Subject: 3.5m Night Log 20030219 Apache Point Observatory 3.5m Telescope Night Log Wednesday, February 19, 2003 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH ------------------------------------------------------------------- G.Wallerstein J.Lutz Echelle --:-- --:-- INST SCHEDULED WEATH EQUIP OBS DAY NOTUSED I/RO/DN START FINISH D B D B D B USE D B -------------------------------------------------------------------- UW06/R 18:46 05:48 2.4 8.6 0 0 0 0 0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialists: J.Dembicky Clouds, Humidity, Lt. Snow, and Dust kept us closed all night. I parked the telescope facing due south and turned the roof heaters on. We had about 1/2 inch of snow around 04:30 this morning. ------- 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 36 24 9 187 (S) 119 Cloudy none 17:01 36 24 10 253 (WSW) 91 Cloudy none 18:01 34 25 11 176 (S) 318 Cloudy none 19:01 32 26 14 147 (SSE) 566 Cloudy humid 20:01 32 27 12 159 (SSE) 410 Cloudy humid 21:01 30 28 21 131 (SE) 502 Cloudy fog 22:01 30 30 19 129 (SE) 1204 Cloudy fog 23:01 30 30 13 146 (SE) 42802 Cloudy fog 00:01 30 30 11 167 (SSE) 33885 Cloudy Lt. Snow 01:01 31 30 14 177 (S) 38258 Cloudy Lt. Snow 02:01 30 29 9 148 (SSE) 7774 Cloudy Lt. Snow 03:01 29 28 13 144 (SE) 60 Cloudy Lt. Snow 04:01 28 28 15 130 (SE) 8 Cloudy Lt. 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. 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