Date: Mon, 21 Jul 1997 04:53:13 -0600 (MDT)
From: Charles Corson
Subject: 3.5m obslog 970720
                           SUNDAY JULY 20, 1997
                         APACHE POINT OBSERVATORY
                              OBSERVING  LOG
                                    ACTUAL
ASTRONOMER   INSTRUMENT   DATE   START FINISH
Rodgers		Grim	  7/20   --    --
Rhodri		Grim      7/21   --    --
Corson		DIS       7/21	 --    --
 INST        SCHEDULED      OBS      WEATH     EQUIP   DAY   NOTUSED
I/RS/DN    START FINISH   D    B    D    B    D    B   USE   D    B
UW07/R	   21:47 01:10    0    0    0    3.4  0    0    0    0    0
UC03/R     01:10 03:33    0    0    0    2.4  0    0    0    0    0
PU01/O     03:33 04:33    0    0    0    1.0  0    0    0    0    0
(note: times listed include instrument change time)
                               ACTIVITY LOG
(* means a trouble report has been issued or appended to)
The dome was not opened again tonight.   High dust levels, threat of
precipitation, and high humidity all conspired to one degree or another to
keep the dome closed.
                                FOCUS LOG
                              JULY 20, 1997
                  Best   Telescope           Wind            Seeing
Time   Inst      Focus    Az  El    #Temp    Dir MPH  filter  FWHM "
#The first temp is air, the second is truss, both in degrees Celsius
                                 WEATHER
                               JULY 20, 1997
                                   Wind
    Time  Temp F  Dewp. F  MPH.	  Dir.       Dust    Sky          Precip.
     16:01    65    45      7   164  (SSE)   2045    overcast     none
     17:01    66    43      0   310  (NW)    2130    overcast     none
     18:01    65    43      7    52  (NE)    2171    mstly cldy   none
     19:01    63    43     12   106  (ESE)   2395    mstly cldy   none
     20:01    62    43     13   104  (ESE)   2493    prtly cldy   none
     21:01    61    42      9    73  (ENE)   2324    prtly cldy   none
     22:01    60    42     14    69  (ENE)   2372    prtly cldy   none
     23:01    59    42     20   101  (E)     2247    prtly cldy   none
     00:01    57    50     14    86  (E)     3580    overcast     none
     01:01    57    50     12    98  (E)     3456    mstly cldy   none
     02:01    55    51     19   106  (ESE)   3348    prtly cldy   none
     03:01    54    51     17   120  (ESE)   3304    prtly cldy   none
     04:01    54    50     18   120  (ESE)   2811    prtly 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
> 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: GImCtrl.1 6.21.97.
-Charles