Date: Tue, 17 Aug 2010 06:20:31 -0600 (MDT)
Subject: 3.5m Night Log 20100816
From: "Jack Dembicky"
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                        Apache Point Observatory
                        3.5m Telescope Night Log
                        Monday August 16, 2010
                                                         ACTUAL
 ASTRONOMER     OBSERVER(S)             INSTRUMENT    START  FINISH
 -------------------------------------------------------------------
 W.Bhatti       W.Bhatti                DIS           20:30  23:00
 T.Marriage     M.Hilton, S.Zhang       NICFPS        05:10  05:40
  PROG        SCHEDULED      WEATH     EQUIP      OBS     NOT USED
 I/ROW/DN   START  FINISH    D    B    D    B    D    B    D    B
 ------------------------------------------------------------------
 JH02/R      19:56 01:05    0.9  1.7   0    0    0   2.5   0    0
 PU04/O      01:05 06:20    4.8   0    0    0   0.5   0    0    0
   note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
 Observing Specialist: J.Dembicky
Spicam temp at start of night 172.0K
Spicam temp 168.7K @ 06:15
I held off opening during part of twilight to be sure humidity wasn't going to spike after sunset.
Clouds and lightning to our South closed us around 23:00.  I re-opened around 03:45 just to have
clouds keep us off sky for the next hour or so.  The clouds moved back in around 05:15 until the
end of the night.
                ------------- FAILURE LOG --------------
  PROG   INST   FAILURE MODE     TIME
      (STEDFNVOG)   TI/SHU    START  FINISH  DESCRIPTION
 ----------------------------------------------------------------------
               ---------------- FOCUS LOG ---------------
 Time  Instrument  Focus    Az  El  Temp Strc Prim  Sec  Air  filt FWHM
 -----------------------------------------------------------------------
 20:44 dis-slit   215(  648) 148  46  15.5 16.6 16.0 16.1 16.0   --  1.45
 21:36 dis-slit   139(  528)  52  44  14.6 15.6 15.4 14.9 15.1   --  1.24
 05:06 NICFPS   -42(  852)  60  52  12.9 13.8 13.8 13.4 13.4   Ks  1.30
 05:09 NA2gdr -5719(37280)  59  53  12.9 13.8 13.8 13.3 13.4   clear  0.87
                 ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    -------------------------------------------------------------------
     18:00    64    55      7   200  (SSW)         ptly cldy   none
     19:00    62    53      8   219   (SW)        mstly clr   humid
     20:00    59    52     10   182    (S)           clear    humid
     21:00    59    51     10   177    (S)        mstly clr    none
     22:00    57    51      9   194  (SSW)         ptly cldy   none
     23:00    59    52      7   189    (S)          cloudy     none
     00:00    54    54      4   154  (SSE)          cloudy    humid
     01:00    57    52      6   189    (S)          cloudy    humid
     02:00    57    47      2   190    (S)        mstly cldy   none
     03:00    57    48      8   187    (S)         ptly cldy   none
     04:00    57    43      6   191    (S)        mstly cldy   none
     05:00    56    45      8   187    (S)        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: 2.13.0
      Current TUI version: 1.8.1