Date: Thu, 5 Feb 1998 04:07:27 -0700 (MST)
From: Karen Gloria
Subject: 3.5-m obslog 980204
                        WEDNESDAY FEBRUARY 4, 1998
                         APACHE POINT OBSERVATORY
                              OBSERVING  LOG
                                    ACTUAL
ASTRONOMER   INSTRUMENT   DATE   START FINISH
Rodgers         DIS        2/4     -     -
Wyse           GRIM2      2/4-5    -     -
Diercks        SPIcam      2/5     -     -
Reiss           DIS        2/5     -     -
 INST        SCHEDULED      OBS      WEATH     EQUIP   DAY   NOTUSED
I/RS/DN    START FINISH   D    B    D    B    D    B   USE   D    B
UW03/R     19:03 20:02    -    0    -   1.0   -    0    0    -    0
JH01/R     20:02 00:10    -    0    -   4.1   -    0    0    -    0
UW01/R     00:10 05:00    0    0   3.1  1.8   0    0    0    0    0
UW05/R     05:00 05:31    0    -   0.5   -    0    -    0    0    -
(note: times listed include instrument change time)
                               ACTIVITY LOG
(* means a trouble report has been issued or appended to)
The telescope was not opened tonight, due to a snowstorm.
Accumulation so far is 9-inches.
The observers were Bernadette Rodgers for UW03, Rosie Wyse for JH01,
Alan Diercks for UW01, and David Reiss for UW05.
Telescope usage statistics for the period 01/29/98 through 02/04/98:
                                DARK    BRIGHT
Hrs. lost to weather            24.8	 14.1
Hrs. lost to equip. failure      3.1	  0.1
Useful hours                    26.4	 12.1
Total hours                     48.1	 26.3
Percentages of total dark and bright hours:
% lost to weather		    52.3%
% lost to equip. failure             4.3%
% useful hours                      51.8%
			     OBSERVER COMMENTS
                                FOCUS LOG
                             FEBRUARY 4 1997
                  Best   Telescope           Wind            Seeing
Time   Inst      Focus    Az  El   #Temp    Dir MPH  filter  FWHM "
- no focus data -
#The first temp is air, the second is truss, both in degrees Celsius
                                 WEATHER
                             FEBRUARY 4 1997
                                   Wind
    Time  Temp F  Dewp. F  MPH.	  Dir.       Dust    Sky        Precip.
     16:01    24    23     22   266  (W)      256   overcast    graupel
     17:01    24    23      5   250  (WSW)     41   overcast     snow
     18:01    24    24     15   260  (W)       53   overcast     snow
     19:01    24    24     11   267  (W)       55   overcast     snow
     20:01    24    24     14   268  (W)      159   overcast     snow
     21:01    23    22     15   300  (WNW)    159   overcast     snow
     22:01    22    21     15   274  (W)      252   overcast     snow
     23:01    21    20     19   287  (WNW)     46   overcast     snow
     00:01    21    21      9   294  (WNW)     90   overcast     snow
     01:01    20    20     12   288  (WNW)    235   overcast     snow
     02:01    20    19     10   276  (W)      283   overcast     snow
     03:01    19    18     15   292  (WNW)    383   overcast   flurries
     04:01    19    17     23   325  (NW)     297   overcast   flurries
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.
-Karen