From: Russet McMillan Subject: 3.5m Night Log 20010905 Date: Thu, 6 Sep 2001 06:15:18 -0600 (MDT) APACHE POINT OBSERVATORY 3.5m Telescope Night Log Wednesday, September 5th, 2001 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH ------------------------------------------------------------------- W.Zheng W.Zheng,K.Chiu GRIM 19:40 01:00 M.Strauss X.Fan,V.Narayanan GRiM 01:00 05:45 INST SCHEDULED WEATH EQUIP OBS DAY NOTUSED I/RO/DN START FINISH D B D B D B USE D B -------------------------------------------------------------------- JH03/R 20:17 01:00 0 0 0 0 0.9 3.8 0 0 0 PU02/R 01:00 05:47 0 0 0 0 0 4.8 0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: R.McMillan, J.Barentine Clear and apparently photometric most of the time, except for a few brief appearances by clouds. Very good seeing, at least in the IR. Everything worked stultifyingly well. ---------------- FOCUS LOG --------------- Air/Truss Wind Time Instrument Focus Az El Temp-C Dir MPH filt FWHM" ---------------------------------------------------------------------- 19:59 GrIm2(f/5) -75(1085) 186 57 15.1/18.2 227 4 J 0.79 20:09 NA2gdr -2000(57000) 190 56 15.1/17.8 185 5 clear 1.1 21:50 GrIm2(f/5) -25(1005) -17 74 15.6/16.0 217 11 J 0.74 01:12 GrIm2(f/10) 50(1072) 193 58 15.1/15.2 220 13 J 0.53 --------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 18:01 64 41 1 272 (W) 361 mstly clr none 19:01 60 41 3 267 (W) 393 clear none 20:01 59 41 5 247 (WSW) 343 clear none 21:01 59 41 8 200 (SSW) 382 mstly clr none 22:01 60 41 11 222 (SW) 387 few clouds none 23:01 61 40 11 235 (SW) 450 clear none 00:01 60 40 10 224 (SW) 493 clear none 01:01 59 41 13 218 (SW) 590 clear none 02:01 59 41 12 218 (SW) 636 clear none 03:01 58 41 16 212 (SSW) 529 clear none 04:01 58 41 12 206 (SSW) 537 clear none 05:01 57 39 8 185 (S) 525 mstly clr none 06:01 58 33 9 264 (W) 280 ptly cldy 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: 2.62. Current guide software version: GIm Ctrlv4.1b2. Current TCC version: 2.5.5 Current MC version: v1_7_3.