Date: Fri, 24 Apr 1998 06:34:45 -0600 (MDT)
From: Karen Gloria
Subject: 3.5-m obslog 980423
                         THURSDAY APRIL 23, 1998
                         APACHE POINT OBSERVATORY
                              OBSERVING  LOG
                                                          ACTUAL
ASTRONOMER      OBSERVER(S)        INSTRUMENT   DATE   START FINISH
Turner            Gloria              DIS       4/23   21:08 21:43
Hameed         Hameed, Geha          SPIcam   4/23-24  21:43 01:10
Cooray            Cooray              DIS       4/24   01:10 04:55
 INST        SCHEDULED      OBS      WEATH     EQUIP   DAY   NOTUSED
I/RS/DN    START FINISH   D    B    D    B    D    B   USE   D    B
PU01/S     21:08 21:43   0.6   -    0    -    0    -    0    0    -
DD03/R     21:43 01:10   2.8   -   0.7   -    0    -    0    0    -
UC03/R     01:10 04:55   3.8   -    0    -    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 opened at 19:00 MDT.  The observers were myself for
PU01, Salman Hameed and Marla Geha for DD03, and Asantha Cooray for
UC03.  The telescope was closed from 22:40 to 23: 21 MDT, due to
clouds.  Because of the partly cloudy weather, DD03 decided to run
their backup (non-photometric) program with Spicam.  I gave them the
OK.
No problems to report, other than one *minor guider hang.
			     OBSERVER COMMENTS
Marla Geha (DD03) - "The first half of the night was non-photometric
and we decided to go with our back-up plan, driftscanning with Spicam.
Spicam worked well and we had no problems beyond weather."
                                 FOCUS LOG
                               APRIL 23 1997
                  Best   Telescope           Wind            Seeing
Time   Inst      Focus    Az  El   #Temp    Dir MPH  filter  FWHM "
20:30  DIS    -250(6381)   9  67 11.7/13.1  185  12    r      1.3
22:15 SPIcam  - 50(6476) 180  59 12.2/12.0  201  14    V      1.3
23:35 SPIcam  -125(6391) 189  66 11.7/11.9  234  19    V      1.0
01:15  DIS    -100(6451) 180  66 10.8/11.3  253  12    r      1.2
#The first temp is air, the second is truss, both in degrees Celsius
                                 WEATHER
                              APRIL 23 1997
                                   Wind
    Time  Temp F  Dewp. F  MPH.	  Dir.       Dust     Sky       Precip.
     16:01    59    23     15   243  (WSW)   1088   ptly cldy    none
     17:01    32    32     16   274  (W)     1346   ptly cldy    none
     18:01    56    24     12   223  (SW)    1280   ptly cldy    none
     19:01    55    24     13   225  (SW)    1339   ptly cldy    none
     20:01    52    23     12   200  (SSW)   1544   ptly cldy    none
     21:01    53    23     11   195  (SSW)   1639   ptly cldy    none
     22:01    53    23     16   204  (SSW)   1607   mstly cldy   none
     23:01    54    22     16   208  (SSW)   1547   mstly cldy   none
     00:01    53    23     15   226  (SW)    1529     clear      none
     01:01    51    20     10   260  (W)     1383     clear      none
     02:01    50    19     12   244  (WSW)   1320     clear      none
     03:01    49    18     15   265  (W)     1241     clear      none
     04:01    49    16     14   274  (W)     1249     clear      none
     05:01    47    17     12   266  (W)     1202     clear      none
     06:01    46    17     13   270  (W)     1031     clear      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: 2.39.
Current guide software version: GIm Ctrlv3.0b11.
-Karen