From: "Camron Hastings"
Subject: 3.5m Night Log 981229
Date: Wed, 30 Dec 1998 05:17:53 -0700
		     Apache Point Observatory, Sunspot, NM
		         Tuesday, December 29th, 1998
                     3.5-meter Night Observing Log
					  Actual
-----------------------------------------------------------------------
ASTRONOMER       OBSERVER(S)     INSTRUMENT      DATE     START  FINISH
-----------------------------------------------------------------------
E.Turner         K.Gloria         SPIcam        12/29     18:34  19:24
A.Tomaney        A.Tomaney        SPIcam        12/29-30  19:24  00:10
B.Gillespie      C.Hastings       SPIcam        12/30     00:10  04:00
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 INST       SCHEDULED      WEATH     EQUIP      OBS     DAY    NOTUSED
I/RS/DN   START  FINISH    D    B    D    B    D    B   USE    D    B
-----------------------------------------------------------------------PU01/
S     18:34 19:24     -    0    -    0    -   0.8   0     -    0
DD01/R     19:24 00:10     -    0    -    0    -   4.8   0     -    0
EN01/S     00:10 05:00     0    0    0    0   0.8  4.4   0     -    0
               -------------- Activity Log --------------
1st Half Observing Specialist: Karen Gloria
	The telescope was opened at 16:30.  Austin Tomaney observed for DD01, and I
observed for PU01.  We had to observe through a lot of moonlit cirrus, but
the seeing was pretty good.
2nd Half Observing Specialist: Camron Hastings
	I took over with Austin on. Had no problems during the run. DD01 ended at
00:10 at which point I began engineering tests. First, I worked on the rings
in the rotator as they came out again when trying to put the foam baffle in.
First I tried imaging at various locations to see if I could get a scattered
light pattern. I had no luck getting any scattered light on the frames.
	Second, I took some driftscan images. These are in the following directory:
/export/images/drifttest and I have mailed Gene Magnier with the details. I
took around 100 images with varying parameters. I also needed a fudge factor
of 2000 to obtain round images.
                        ---Observer Comments---
DD01 A.Tomaney : Managed to get an hour on GRB981226 at the beginning on
night. All images showed lower sky levels in the first 350 columns,
presumably due to the scattered light problem which was quite severe this
close to the moon. thanks to Karen for letting me displace the lens
monitoring for an hour to do this. returned to clearer skies and M31: seeing
was 1.0" on 200-400s exposures with some images at 0.9".
   				       FOCUS LOG
                           December 29th 1998
                   Best    Telescope    Temp      Wind          Seeing
 Time  Instrmnt    Focus     Az   El   Air/Truss  Dir MPH  filter FWHM"
----------------------------------------------------------------------
18:05  SPIcam    -150(6208)  206  50   4.7/6.9    137   1    I    0.92"
18:10  guider   52678(6209)  207  50   4.4/6.8    146   1    R    1.40"
19:30  SPIcam    -200(    )  250  34   5.3/5.6    334   7    r'   0.84"
                               WEATHER LOG
                           December 29th 1998
                                  Wind
     Time   Temp-F Dewp-F MPH   Direction    Dust      Sky      Precip
    ------------------------------------------------------------------
     16:01    44    19      6   236  (SW)            Cirrus     none
     17:01    42    18      0   189  (S)             Cirrus     none
     18:01    39    17      2   172  (S)             Cirrus     none
     19:01    41    18      2   347  (NNW)           Cirrus     none
     20:01    41    18      8   334  (NNW)           Cirrus     none
     21:01    40    17      2   266  (W)             Cirrus     none
     22:01    40    18      0   240  (WSW)           Cirrus     none
     23:01    40    18      7   313  (NW)            Cirrus     none
     00:01    39    17      5   290  (WNW)           Cirrus     none
     01:01    39    17      8   319  (NW)            Cirrus     none
     02:01    39    19      8   354  (N)             Cirrus     none
     03:01    43    18     10   332  (NNW)           Cirrus     none
     04:01    43    18     13   308  (NW)            Cirrus     none
     05:01    44    17      3   327  (NNW)           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 for the
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: 2.42a
Current guide software version: GIm Ctrl v3.0b 15.out
- KAG, NCH