Date: Fri, 19 Sep 2003 06:27:37 -0600 (MDT) From: John Barentine Subject: 3.5m Night Log 20030918 Apache Point Observatory 3.5m Telescope Night Log Thursday, September 18, 2003 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- C.Anderson C.Anderson,J.Hemlboldt GRIM-f/20 20:05 00:45 D.York J.Barentine DIS-high 01:00 06:10 INST SCHEDULED WEATH EQUIP OBS DAY NOTUSED I/RO/DN START FINISH D B D B D B USE D B -------------------------------------------------------------------- NM01/O 19:59 01:00 0 0 0 0 4.0 1.0 0 0 0 UC02/O 01:00 05:56 0 0 0 0 0 4.9 0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: J.Barentine Opened to cool at 19:00. Temperature was dropping rapidly toward sunset and the wind turned to the east, making for very poor seeing at the start of observations. Midway through second half the winds died down and swung to the west, bringing better seeing. ------- 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 --------------------------------------------------------------------- 20:10 GrIm2(f/5) 0(851) 208 81 7.6/10.1 75 16 J 2.82 21:05 GrIm2(f/5) 0(769) 197 80 7.0/8.3 74 17 J 2.17 01:34 DISslit 0(611) 255 38 3.8/3.9 78 15 - 3.20 04:42 Echelle 135(104) 152 81 9.7/9.3 182 6 clear 0.88 -------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:01 64 18 5 254 (WSW) 401 Clear none 17:01 64 17 5 258 (WSW) 586 Clear none 18:01 57 32 3 74 (ENE) 437 Clear none 19:01 49 33 16 76 (ENE) 916 Clear none 20:01 46 33 17 74 (ENE) 1443 Clear none 21:01 44 33 16 68 (ENE) 1207 Clear none 22:01 43 33 19 72 (ENE) 1428 Clear none 23:01 42 33 20 73 (ENE) 1730 Clear none 00:01 41 32 18 75 (ENE) 1597 Clear none 01:01 39 32 15 68 (ENE) 1338 Clear none 02:01 42 31 11 77 (ENE) 1041 Clear none 03:01 52 28 6 181 (S) 1109 Clear none 04:01 51 30 7 194 (SSW) 1554 Clear none 05:01 49 30 7 181 (S) 1519 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 > 1u per 0.1 cubic feet. TELESCOPE STATUS Telescope drives operational. Current Remark version: 2.85b Current guide software version: guider? what guider? Current TCC version: 2.7.1 Current TUI version: TTUI