Date: Thu, 11 Sep 2008 02:12:52 -0600 (MDT) Subject: 3.5m Night Log 20080909 From: "Jack Dembicky" Apache Point Observatory 3.5m Telescope Night Log Wednesday, September 10, 2008 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH ------------------------------------------------------------------- M.Strauss M.Strauss, J.Greene TSPEC --:-- --:-- M.Shin INST SCHED(TWILIGHT) WEATH EQUIP OBS DAY NOT USED I/ROW/DN START FINISH D B D B D B USE D B --------------------------------------------------------------------- PU06/R 20:09 05:51 2.9 6.8 0 0 0 0 0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: J.Dembicky Az velocity scale measured 579.6 was 573.0 changed 578.0 Alt Velocity Scale measured -637.0 was -623.0 changed -635.0 Clouds and humidity kept us closed all night. Observers called it a night at 02:00 when we were completely cloudy, with more clouds/rain headed this way. ------- 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 ----------------------------------------------------------------------- ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------- 18:00 55 45 1 353 (N) 317 cldy none 19:00 56 42 1 264 (W) 343 cldy none 20:00 56 43 1 216 (SW) 454 cldy none 21:00 53 50 2 193 (SSW) 624 cldy humid 22:00 52 52 3 93 (E) 786 cldy humid 23:00 55 46 2 256 (WSW) 474 cldy none 00:00 53 49 9 208 (SSW) 561 cldy none 01:00 52 52 8 191 (S) 532 cldy lt. rain 02:00 52 52 10 192 (SSW) 562 cldy lt. rain 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: 2.9.1 Current TUI version: TUI 1.4.5