Date: Sun, 21 Mar 2010 12:54:08 -0000 (UTC)
Subject: 3.5m Night Log 20100320
From: jwhueh@apo.nmsu.edu
                       Apache Point Observatory
                       3.5m Telescope Night Log
                       Saturday, March 20, 2010
                                                       ACTUAL
ASTRONOMER      OBSERVER(S)            INSTRUMENT     START  FINISH
--------------------------------------------------------------------
T. Harrison      T. Harrison              DIS        19:32    20:20
                                                     20:58    01:10
T. Thuan         T. Thuan, Y. Izotov      DIS        01:10    04:20
  INST       SCHEDULED     WEATH     EQUIP      OBS     NOT USED
I/ROW/DN   START  FINISH   D    B    D    B    D    B    D    B
--------------------------------------------------------------------
NM06/R    19:23   01:10    0   0.7   0    0   0.8  4.3   0    0
UV05/R    01:10   06:57   2.7   0    0    0   3.1   0    0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist:    J. Huehnerhoff
Roof checked for snow and ice at checkout, none found.  Closed due to wind
an hour after opening, it quickly subsided.  Closed again due to wind at
04:20, shortly after closing the 1 micron particle count spiked.  Stayed
closed the remainder of 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
--------------------------------------------------------------------------
 19:43 dis-slit   -25( -667) 164  35  -7.9 -5.7 -5.9 -6.6 -7.1   clear  1.71
 19:46 NA2gdr -1013(20986) 164  35  -7.9 -6.0 -6.1 -6.9 -7.2   clear  1.91
 21:03 dis-slit    97( -580)  71  37  -5.6 -6.4 -5.7 -6.5 -6.2   clear  1.92
 01:15 dis-slit   172( -516) 269  62  -5.2 -5.9 -5.6 -6.2 -5.8   clear  1.50
             ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    20     9      7     2    (N)    280 mstly clr    none
     17:00    21     8     14   308   (NW)    244    clear     none
     18:00    22     8     11   355    (N)    208    clear     none
     19:00    20     6     12   356    (N)    304    clear     none
     20:00    19    -3     25    10    (N)    603    clear     none
     21:00    22     1     17    17  (NNE)   1210    clear     none
     22:00    22     6     13    34   (NE)    574    clear     none
     23:00    22     9     20     7    (N)    436    clear     none
     00:00    22    10     12   341  (NNW)    382    clear     none
     01:00    22     9     17    12  (NNE)    483    clear     none
     02:00    22     6     17    36   (NE)    775    clear     none
     03:00    22     4     19    14  (NNE)   1049    clear     none
     04:00    23    -3     16     8    (N)   1694    clear     none
     05:00    24    -5     30    22  (NNE)   3337    clear     dust
     06:00    24    -4     27    19  (NNE)   2430    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: 2.11.1
    Current TUI version: 1.7.1