Date: Sun, 7 Feb 2010 13:43:17 -0000 (UTC)
Subject: 3.5m Night Log 20100206
From: jwhueh@apo.nmsu.edu
                       Apache Point Observatory
                       3.5m Telescope Night Log
                       Saturday, February 06, 2010
                                                       ACTUAL
ASTRONOMER      OBSERVER(S)            INSTRUMENT     START  FINISH
--------------------------------------------------------------------
T. Thuan        Y. Izotov               DIS          18:00    00:04
R. Reyes        R. Reyes                DIS          00:04    05:45
T. Murphy       R. McMillan             APOLLO       05:45    06:20
  INST       SCHEDULED     WEATH     EQUIP      OBS     NOT USED
I/ROW/DN   START  FINISH   D    B    D    B    D    B    D    B
--------------------------------------------------------------------
UV04/R    17:49   00:10    0    0    0    0   6.4   0    0    0
PU02/R    00:10   05:45    0    0    0    0   2.0  3.6   0    0
DD01/O    05:45   06:45    0   0.4   0    0    0   0.6   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist:    J. Huehnerhoff
Clear start to the night with thick clouds starting a little before
00:00MT.  Clouds remainder thick the rest of the night although science
was possible till morning twilight when it was not possible to shoot
through.
                    ------- 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
--------------------------------------------------------------------------
18:23 dis-slit   179( -137) 146  63   0.1  1.6  0.6  0.5  0.6   clear  1.08
             ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    37    14     10   267    (W)    210 mstly clr    none
     17:00    35    17     12   265    (W)    220 mstly clr    none
     18:00    32    15     11   264    (W)    318    clear     none
     19:00    32    18     11   234   (SW)    488    clear     none
     20:00    32    20     13   240  (WSW)    493  ptly cldy   none
     21:00    33    13     10   262    (W)    278 mstly clr    none
     22:00    34    14     13   267    (W)    302 mstly cldy   none
     23:00    33    18      9   256  (WSW)    372 mstly cldy   none
     00:00    33    18     11   219   (SW)    387   cloudy     none
     01:00    33    15     17   212  (SSW)    375   cloudy     none
     02:00    32    18     16   209  (SSW)    347 mstly cldy   none
     03:00    31    18     14   203  (SSW)    403  ptly cldy   none
     04:00    30    18     17   210  (SSW)    458   cloudy     none
     05:00    30    19     11   215   (SW)    436   cloudy     none
     06:00    30    18     19   233   (SW)    398   cloudy     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: 2.11.1
    Current TUI version: 1.7.0