Date: Sun, 18 Jan 2004 03:16:00 -0700 (MST)
From: John Barentine
Subject: 3.5m Night Log 20040117
                         Apache Point Observatory
                         3.5m Telescope Night Log
                        Saturday, January 17, 2004
                                                          ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START FINISH
 --------------------------------------------------------------------
 R.Kron          R.Kron,L.Grodnicki     DIS            --:--  --:--
 S.Snedden       S.Snedden              DIS            --:--  --:--
  INST        SCHEDULED      WEATH     EQUIP     OBS     DAY  NOT USED
 I/RO/DN     START FINISH   D    B    D    B    D    B   USE   D    B
 ---------------------------------------------------------------------
 UC01/R      18:18  00:15  6.0   0    0    0    0    0    0    0    0
 NM08/O      00:15  06:08  3.7  2.2   0    0    0    0    0    0    0
  note: scheduled times listed include instrument change time
                  ------------- ACTIVITY LOG --------------
 1st Half Observing Specialist: J.Barentine
 Snow fell in the area from mid-morning until about 4pm, at which time it
became intermittent toward dark.  Skies were overcast all day until
when the snow stopped and the sun broke through for a short while.  During
checkout I turned on the roof heaters and popped up through the hatch to
the roof.  About an inch and a half of very fluffy snow lay on the parts
of the roof I could see.  The wind easily picked up and blew around the
snow.
 After receiving information in road conditions, specifically that Sunspot
Hwy was particularly treacherous driving, I consulted Russet by phone.  We
agreed that sky conditions would probably not resolve themselves tonight,
and the snow on the roof and in the adjacent trees presented a health and
safety issue for optics.  I advised her not to make the drive in tonight,
and got late instrument fills.
 2nd Half Observing Specialist: R.McMillan
                        ------- FAILURE LOG -------
 PROG   INST   FAILURE MODE     TIME
      (SEGDFVO)    TI/SHU   START  FINISH  DESCRIPTION
 -----------------------------------------------------------------------
                ---------------- FOCUS LOG ---------------
                                        Air/Truss   Wind
 Time   Instrument   Focus     Az  El    Temp-C    Dir MPH  filt  FWHM
 ---------------------------------------------------------------------
                 -------------- WEATHER LOG ----------------
                                 Wind                       Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
     ------------------------------------------------------------------
     16:01    24    24      7   348  (NNW)      0  MstlyCldy   none
     17:01    25    24     11    29  (NNE)      0  Overcast   lt snow
     18:01    24    22      9    62  (ENE)      0  Overcast   lt snow
     19:01    24    22      9    34  (NE)       0  MstlyCldy   none
     20:01    24    20     20    70  (ENE)      0  MstlyCldy   none
     21:01    23    19      7    56  (NE)       0  MstlyCldy   none
     22:01    23    18     19    53  (NE)       0  MstlyCldy   none
     23:01    22    19     11    43  (NE)       0  MstlyCldy   none
     00:01    22    18     12    30  (NNE)      0  MstlyCldy   none
     01:01    22    18      5    23  (NNE)      0  MstlyCldy   none
     02:01    23    17      4     3  (N)        0  MstlyCldy   none
     03:01    23    16      4    26  (NNE)      0  MstlyCldy   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 Remark version: 2.85b
   Current guide software version: guider v4.1b4
   Current TCC version: 2.7.2  Current TUI version: TUI-0.81