Date: Mon, 12 Jan 1998 06:04:37 -0700 (MST)
From: Karen Gloria
Subject: 3.5-m obslog 980111
                         SUNDAY JANUARY 11, 1998
                         APACHE POINT OBSERVATORY
                              OBSERVING  LOG
                                    ACTUAL
ASTRONOMER   INSTRUMENT   DATE   START FINISH
Turner          DIS       1/11   18:43 19:35
Harper         GRIM2    1/11-12  19:35 00:10
York          SPIcam      1/12   00:10 05:39
 INST        SCHEDULED      OBS      WEATH     EQUIP   DAY   NOTUSED
I/RS/DN    START FINISH   D    B    D    B    D    B   USE   D    B
PU01/S     18:43 19:35    -   0.9   -    0    -    0    0    -    0
UC09/R     19:35 00:10    -   4.4   -    0    -   0.2   0    -    0
UC01/R     00:10 05:39    -   5.5   -    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 at17:30 MST.  The observers were myself for
PU01, Rhodri Evans for UC09, and Connie Rockosi for UC01.  There were
some clouds during the first few hours of the night, but the rest of
the night was clear.  Rhodri's run lost a little time due to a couple
communication hangups between the GRIM2 ICC and the MC.  These were
minor.  Connie used SPIcam in driftscan mode.  She notes that to
driftscan, the sign of the telescope velocity must be opposite the
sign of the SPIcam driftscan velocity.  For example, to driftscan from
south to north requires a -y telescope offset velocity and a +y spicam
driftscan velocity.
			     OBSERVER COMMENTS
Me (PU01):  "I observed three gravitational lens targets.  No problems
other than the bright moonlight and cirrus.
Rhodri (UC09):  comments in tomorrow's log
Connie:  "wonderful weather.  slow network at beginning of my time.  good
telescope tracking, good focus stability for several hours toward
morning.  seeing between 0.9 arcsec and 1.1 the whole time."
                                FOCUS LOG
                             JANUARY 11 1997
                  Best   Telescope           Wind            Seeing
Time   Inst      Focus    Az  El   #Temp    Dir MPH  filter  FWHM "
18:20   DIS     0(6147)  246  38 -2.0/-1.4  291  15    r     1.2
19:50  GRIM2 - 75(6129)  134  39 -2.6/-2.2  269  11    J     1.2
00:52 SPIcam - 50(6073)  203  55 -2.3/-2.7  333  14    r'    1.1
02:30 SPIcam -100(5779)  219  65 -2.6/-2.9  326   7    r'    0.9
03:25 SPIcam - 50(5866)  240  56 -1.9/-2.8  328  14    r'    1.1
#The first temp is air, the second is truss, both in degrees Celsius
                                 WEATHER
                             JANUARY 11 1997
                                   Wind
    Time  Temp F  Dewp. F  MPH.	  Dir.       Dust    Sky        Precip.
     16:01    31    16     18   314  (NW)      30   cirrus       none
     17:01    29    17     10   315  (NW)      39   cirrus       none
     18:01    28    17     16   290  (WNW)     31  plty cldy     none
     19:01    29    16     14   292  (WNW)     38  plty cldy     none
     20:01    27    18      9   272  (W)       52   clear        none
     21:01    27    21     12   266  (W)       98   clear        none
     22:01    27    21     11   276  (W)      122   clear        none
     23:01    28    19     15   295  (WNW)     82   clear        none
     00:01    28    18     17   323  (NW)      69   clear        none
     01:01    28    18     13   330  (NNW)     73   clear        none
     02:01    27    19     13   349  (NNW)     81   clear        none
     03:01    28    15      9   359  (N)       57   clear        none
     04:01    29    10     18   327  (NNW)     20   clear        none
     05:01    28    12     16   317  (NW)      33   clear        none
     06:01    28    15      4   270  (W)       44   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: 2.36.
Current guide software version: GIm Ctrlv3.0b11.
-Karen