Date: Thu, 18 Jun 1998 06:04:42 -0600 (MDT)
From: Tia Hoyes
Subject: 3.5m obslog 980617
                        WEDNESDAY   JUNE  17, 1998
                         APACHE POINT OBSERVATORY
                              OBSERVING  LOG
                                    ACTUAL
ASTRONOMER       OBSERVER          INSTRUMENT   DATE   START FINISH
York             ----                -----      6/17   ----- -----
Kibblewhite      Casey               EAGAL      6/17   18:50 05:30
 INST        SCHEDULED      OBS      WEATH     EQUIP   DAY   NOTUSED
I/RS/DN    START FINISH   D    B    D    B    D    B   USE   D    B
UC02/R     21:55 01:10    0    0    0    0    0    0    0   3.3   0
UC07/S     01:10 04:13   0.7  2.3   0    0    0    0    0    0    0
(note: times listed include instrument change time)
                               ACTIVITY LOG
The telescope was open tonight at 18:45. After focusing the visiting
instrument, Dan Long was available to attempt implementing a new Instrument
block.  We had to close at 20:20 due to extreme dust.  We reopened at 21:50.
Once again, working on the instrument block data from 21:55-2:15.
Sean Casey and company were on site and the UC07 program preempted the other
programs for the evening.
Comments:Everything went well. APO staff went to extra efforts in assisting
with our instrument alignment. Observations of bright stars at JHKLM for
calibrations-diffraction limited images at L. Attempts to observe Eagle
Nebula.  Excellent results overall.
(* means a trouble report has been issued or appended to)
                               FOCUS LOG
                             JUNE  17, 1998
                Best     Telescope               Wind                 Seeing
Time   Inst     Focus     Az    El   Temp#      Dir  MPH     filter   FWHM "
19:20  EAGAL   350(  )  85.0   57.5 16.9/17.51 259.0 21.2      K'     2.0
23:00  EAGAL  50(6545) -40.9   37.1 13.7/14.32 265.0 19.8      K'     1.5
# The first temp is air, the second is truss, both in degrees C.
                                 WEATHER
                               JUNE  17,  1998
                                 Wind
    Time   Temp F Dewp.   MPH.    Dir.       DUST     Sky         Precip.
     16:01    66     9     27   260  (W)      956    clear         none
     17:01    66    14     18   265  (W)     1221    clear         none
     18:01    64    14     26   272  (W)      854    clear         none
     19:01    63    16     22   267  (W)      910    clear         none
     20:01    60    18     19   252  (WSW)   1869    clear         none
     21:01    58    21     14   283  (WNW)   4484    clear         none
     22:01    57    24     21   283  (WNW)   1834    clear         none
     23:01    57    24     20   266  (W)      695    clear         none
     00:01    56    24     16   266  (W)      643    clear         none
     01:01    56    24     17   286  (WNW)    595    clear         none
     02:01    54    23     13   299  (WNW)    513    clear         none
     03:01    54    22     18   305  (NW)     500    clear         none
     04:01    54    23     18   302  (WNW)    524    clear         none
     05:01    52    19     14   301  (WNW)    597    clear         none
     06:01    52    21     21   334  (NNW)    568    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: 2.41a
Current guide software version:GIm Ctrl v3.0b 15.out
-Tia