Date: Wed, 5 Nov 1997 06:11:01 -0700 (MST)
From: Charles Corson
Subject: 3.5m obslog 971104
                         TUESDAY NOVEMBER 4 1997
                         APACHE POINT OBSERVATORY
                              OBSERVING  LOG
                                    ACTUAL
ASTRONOMER   INSTRUMENT   DATE   START FINISH
Richards	DIS	  11/04  18:15 04:01
Reiss		DIS	  11/04  04:01 05:01
 INST        SCHEDULED      OBS      WEATH     EQUIP   DAY   NOTUSED
I/RS/DN    START FINISH   D    B    D    B    D    B   USE   D    B
UC01/R	   18:33 04:01    4.2  2.3  0    0    3.0  0    0    0    0
UW04/R     04:01 05:01    0    0    0    0    1.0  0    0    0    0
(note: times listed include instrument change time)
                               ACTIVITY LOG
(* means a trouble report has been issued or appended to)
Neither program tonight had good success.  Poor weather conditions
and equipment failures effected observations.
Gordon Richards continued with DIS for his QSO survey.  High, clouds
dominated.  At 23:45, it became obvious that more than just cirrus
was making our observations difficult.  DIS's transfer dewar had
no pressure and fills had not taken place since about 18:30, shortly
after opening.  Since the dewars were pretty warm, both were put
on vacuum, pumped to the 10-7torr, and cooled.  With this failure, and the
clouds, only a handful of objects were successfully observed.
Dave Reiss's time was also lost.  At 04:00am, seeing and pointing had
significantly degraded.  Found was that the air compressor breaker
had tripped and building air pressure was almost to zero.
No observations were made for Dave.
                                FOCUS LOG
                             NOVEMBER 4 1997
                  Best   Telescope           Wind            Seeing
Time   Inst      Focus    Az  El    #Temp   Dir MPH  filter  FWHM "
18:15  Gdr    49,000(6288)248 73   8.1/9.8  322 9      R     1.0
#The first temp is air, the second is truss, both in degrees Celsius
                                 WEATHER
                              NOVEMBER 4 1997
                                   Wind
    Time  Temp F  Dewp. F  MPH.   Dir.       Dust    Sky          Precip.
     16:01    49     0      8   310  (NW)     332    clear        none
     17:01    47     1     10    11  (N)      355    clear	  none
     18:01    46     3      9   337  (NNW)    200    clear        none
     19:01    46     6     11   325  (NW)     305    clear        none
     20:01    47     8     17   321  (NW)     416    cirrus	  none
     21:01    47    10      2   359  (N)      483    cirrus       none
     22:01    47     9     10   344  (NNW)    535    cirrus       none
     23:01    47     9     14    16  (NNE)    367    cirrus       none
     00:01    48     1     12    10  (N)      378    cirrus       none
     01:01    42     6     25    64  (ENE)    429    cirrus       none
     02:01    37    14     17    63  (ENE)    479    cirrus       none
     03:01    35    17     26    67  (ENE)    386    cirrus       none
     04:01    34    18     19    68  (ENE)    408    cirrus       none
     05:01    33    20     20    68  (ENE)    484    cirrus       none
     06:01    33    20     14    63  (ENE)    511    cirrus       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: 2.36.
Current guide software version: GIm Ctrlv3.0b11.
Charles