Date: Mon, 9 Apr 2007 11:34:16 -0000 (UTC) Subject: 3.5m Night Log 20070408 From: "Gabrelle Saurage" Apache Point Observatory 3.5m Telescope Night Log Sunday, April 8, 2007 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH ------------------------------------------------------------------- P.Szkody P.Szkody DIS 19:35 00:50 A.Zirm K.Chiu SPIcam 03:35 05:00 INST SCHED(TWILIGHT) WEATH EQUIP OBS DAY NOT USED I/ROW/DN START FINISH D B D B D B USE D B --------------------------------------------------------------------- UW05/R 20:23 01:00 0 0.5 0 0 4.1 0 0 0 0 JH03/R 01:00 05:47 0.4 2.9 0 0 0 1.5 0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: G.Saurage Hazy skies at sunset. Closed for 20 mins at 11:00 due to local radar returns, but they quickly cleared. We closed again at 12:50 because of clouds and radar. Opened at 3:35. Overcast skies and rising humidity closed us again at 5:00 for the night. ------- FAILURE LOG ------- PROG INST FAILURE MODE TIME (SEDFNVOG) TI/SHU START FINISH DESCRIPTION ---------------------------------------------------------------------- ---------------- FOCUS LOG --------------- Time Instrument Focus Az El Temp Strc Prim Sec Air filt FWHM ----------------------------------------------------------------- 20:00 DISslit 144(217) 224 52 5.9 7.9 6.6 6.7 6.2 -- 1.3 03:40 SPIcam -75(66) 300 39 3.7 4.1 3.6 4.0 3.8 I 1.3 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------- 16:00 46 28 12 257 (WSW) 1092 mstly clr none 17:00 46 27 15 253 (WSW) 1068 ptly cldy none 18:00 46 27 14 213 (SSW) 1154 mstly clr none 19:00 44 28 19 214 (SW) 1204 mstly clr none 20:00 43 29 17 203 (SSW) 1461 mstly clr none 21:00 42 29 17 201 (SSW) 1678 ptly cldy none 22:00 43 28 22 228 (SW) 1595 mstly clr none 23:00 43 28 18 224 (SW) 1422 mstly cldy none 00:00 42 28 13 232 (SW) 1333 ptly cldy none 01:00 41 27 19 233 (SW) 957 mstly cldy none 02:00 41 27 13 238 (WSW) 916 mstly cldy none 03:00 40 28 11 262 (W) 840 mstly clr none 04:00 39 30 11 238 (WSW) 977 ptly cldy none 05:00 38 30 7 246 (WSW) 1146 mstly 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 Telescope drives operational. Current TCC version: 2.9.0 Current TUI version: TUI 1.3