From: Russet McMillan
Subject: 3.5m Night Log 19991221
Date: Wed, 22 Dec 1999 05:29:08 -0700 (MST)
                        TUESDAY DECEMBER 21, 1999
                         APACHE POINT OBSERVATORY
                              OBSERVING  LOG
                                                          ACTUAL
ASTRONOMER      OBSERVER(S)        INSTRUMENT   DATE   START FINISH
Turner           Loomis              SPIcam     12/21   --    --
Duncan           Duncan, Rebull      Echelle  12/21-22  --    --
 INST        SCHEDULED     WEATH     EQUIP      OBS    DAY   NOTUSED
I/RS/DN    START FINISH   D    B    D    B    D    B   USE   D    B
PU02/R     17:59 18:49    -   0.8   -    0    -    0    0    -    0
UC01/R     18:49 06:04    -   3.7   -   7.6   -    0    0    -    0
(note: times listed include instrument change time)
                              ACTIVITY LOG
(* means a trouble report has been issued or appended to)
1st half observing specialist: Loomis, Deglman
2nd half observing specialist: McMillan
The weather was cloudy and humid, with light snow for much of the
night accumulating to 1/2 inch.  We ran the snow program for several
hours, although wind was light and blowing snow at a minimum.
The previous night's difficulty with the echelle shutter could not be
repeated during the day, but a setup was made to control the shutter
by hand in case it got stuck.  * Unfortunately, a new problem appeared
during mid-evening with the echelle readout ending prematurely.  After
attempt at diagnosis by Craig, Karen, Frank, and Dale Sandford via
long-distance consultation, the echelle was declared not working at
22:30.  Further work will be carried out tomorrow.
                            OBSERVER COMMENTS
                                FOCUS LOG
                             DECEMBER 21 1999
						 Wind
Time   Inst        Focus     Az  El   #Temp    Dir  MPH  filt  FWHM "
#First temp is air, second temp is telescope.
                                 WEATHER
                             DECEMBER 21 1999
                               Wind
     Time   Temp F Dewp F  MPH  Direction    Dust      Sky      Precip.
     16:01    22     7      8   221  (SW)     340    cloudy      none
     17:01    21     8      6   205  (SSW)    459    cloudy      none
     18:01    20     8      6   186  (S)      460    cloudy      none
     19:01    20     9      2   181  (S)      407    cloudy      none
     20:01    20     9      3   184  (S)      670    cloudy      none
     21:01    20     9      7   186  (S)      794    cloudy      none
     22:01    20    10      7   180  (S)      998    cloudy      none
     23:01    18    14      4   107  (ESE)   1464    cloudy      snow
     00:01    18    16      5   102  (ESE)   1388    cloudy      snow
     01:01    18    15      5    89  (E)     1342    cloudy      snow
     02:01    18    15      8    88  (E)      966    cloudy      snow
     03:01    18    15      9    81  (E)     2797    cloudy      snow
     04:01    19    15      0   161  (SSE)   1373    cloudy      none
     05:01    21    15      0   206  (SSW)    911    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
> 1 micron per 0.1 cu. ft.
                             TELESCOPE STATUS
Primary, secondary, and tertiary mirrors in place and collimated.
Primary support system operational.  Mirror ventilation system in
place.  Telescope drives operational.  Current Remark version: 2.55b5.
Current guide software version: GIm Ctrlv3.0b27.
- Russet McMillan