Date: Wed, 21 Jan 1998 05:35:06 -0700 (MST)
From: Tia Hoyes
Subject: 3.5m obslog 980120
                        TUESDAY   JANUARY 20, 1998
                         APACHE POINT OBSERVATORY
                              OBSERVING  LOG
                                    ACTUAL
ASTRONOMER   INSTRUMENT   DATE   START FINISH
Rodgers         DIS       1/20   17:30 20:05
Richards        DIS       1/20   20:05 04:45
 INST        SCHEDULED      OBS      WEATH     EQUIP   DAY   NOTUSED
I/RS/DN    START FINISH   D    B    D    B    D    B   USE   D    B
UW03/R     18:51 19:51    0    0   1.0   0    0    0    0    0    0
PU04/S     19:51 00:10   1.5   0   2.8   0    0    0    0    0    0
UC11/S     00:10 04:58    0    0   0.7  4.1   0    0    0    0    0
PU01/S     04:58 05:38    0    0    0   0.7   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 telescope was opened at 22:00.  Bernadette Rodgers took calibrations
during her run.  She was shut out by the weather.(overcast skies)
Gordon Richards was on sight during his run.  We were able to open for 1.5
hours.  We spent the entire night testing the gratings.
The Lens Monitoring  run was shut out by the weather.  It started snowing
at 4:15.
LATEST FORECAST:(4:30AM)
.TODAY...CONSIDERABLE CLOUDINESS AND COOL WITH SCATTERED LIGHT
SHOWERS...MIXED WITH SNOW ABOVE 8000 FEET. WEST WIND 5-15 MPH.
.TONIGHT...MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS BEFORE
MIDNIGHT.
.THURSDAY...PARTLY CLOUDY. NORTHWEST WIND 5-15 MPH.
                               FOCUS LOG
                           JANUARY  20, 1998
                Best    Telescope            Wind                 Seeing
Time   Inst     Focus    Az   El   Temp#     Dir  MPH     filter   FWHM "
22:15  DIS  +50(6243)  263.9 46.8 0.2/0.94  266.3 14.0      IN     1.36
# The first temp is air, the second is truss, both in degrees C.
                                 WEATHER
			    JANUARY   20,  1998
                                 Wind
    Time   Temp F Dewp.   MPH.    Dir.       DUST     Sky         Precip.
     16:01    35    14      7   267  (W)      425  partly cloudy   none
     17:01    31    16      8   252  (WSW)    387  partly cloudy   none
     18:01    32    16      7   261  (W)      357    overcast      none
     19:01    31    16      7   234  (SW)     399    overcast      none
     20:01    32    14     11   284  (WNW)    432    overcast      none
     21:01    32    13     14   259  (W)      371    overcast      none
     22:01    33    15     11   259  (W)      383    clearing      none
     23:01    31    17     13   253  (WSW)    387  mostly cloudy   none
     00:01    31    17     15   262  (W)      461 clear/overcast   none
     01:01    31    18     10   264  (W)      475    overcast      none
     02:01    31    18     14   265  (W)      482    overcast      none
     03:01    30    19      8   264  (W)      479    overcast      none
     04:01    30    18     13   229  (SW)     451    overcast      snow
     05:01    26    25      7   266  (W)      400    overcast      snow
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.
-Tia