Date: Wed, 30 Jul 2008 05:12:22 -0600
From: "Jeff Coughlin"
Subject: 3.5m Night Log 20080729
                     Apache Point Observatory
                     3.5m Telescope Night Log
                      Tuesday, July 29, 2008
                                                        ACTUAL
 ASTRONOMER     OBSERVER(S)            INSTRUMENT   START  FINISH
 -------------------------------------------------------------------
 M.Gladders     M.Gladders             DIS          21:03  05:16
  INST     SCHED(TWILIGHT) WEATH     EQUIP      OBS     DAY  NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B   USE   D    B
 --------------------------------------------------------------------
 UC01/R     21:03  05:16    0    0    0    0   6.9  1.3   0    0    0
 note: scheduled times listed include instrument change time
               ------------- ACTIVITY LOG --------------
 Observing Specialist: J. Coughlin
 Az Velocity Scale was 571.0 measured 579.2, 580.5; 579.9 changed to 579.9
 Despite a negative forecast, we were able to open before sunset and had
 mostly clear skies all night. Seeing was somewhat variable, but overall
 it was a very productive 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
 -----------------------------------------------------------------
 21:07 dis-slit   -23(  606) 190  65  18.6 21.0 19.5 19.7 18.6     1.05
 23:13 dis-slit  -163(  314) 252  64  17.0 17.8 17.6 16.7 16.6     1.10
 02:10 dis-slit  -157(  281) 242  29  16.9 16.0 16.4 14.9 16.0     1.30
 03:54 dis-slit   -95(  303) 321  49  16.8 15.9 16.4 15.0 16.1     1.05
               ------------- WEATHER LOG ----------------
                                  Wind                      Precip.or
    Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
   -------------------------------------------------------------------
     16:00    65    48     17    82    (E)    893  ptly cldy   none
     17:00    65    46      5    89    (E)    519  ptly cldy   none
     18:00    71    52      6   268    (W)    924  ptly cldy   none
     19:00    69    51      7   263    (W)    854  ptly cldy   none
     20:00    65    52      2   231   (SW)    911  ptly cldy   none
     21:00    65    46      6    84    (E)    921 mstly clr    none
     22:00    62    51      2   106  (ESE)    999 mstly clr    none
     23:00    63    48     10   190    (S)   1030 mstly clr    none
     00:00    62    49      8   134   (SE)   1079 mstly clr    none
     01:00    62    48      5   179    (S)   1003 mstly clr    none
     02:00    62    47      5   186    (S)   1005 mstly clr    none
     03:00    62    45      4   187    (S)    843 mstly clr    none
     04:00    62    46      2   203  (SSW)    999    clear     none
     05:00    63    45      3   238  (WSW)    725    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 TCC version: 2.9.1
     Current TUI version: TUI 1.5