HUBBLE SPACE TELESCOPE

                       DAILY REPORT #1474

PERIOD COVERED:  0000Z (UTC) 09/12/95 - 0000Z (UTC) 09/13/95

Daily Status Report as of 256/0000Z

1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED:

   1.1 Completed FGS 6274 (Linking the HIPPARCOS to the Extragalactic
Reference Frame)

       The FGS #3 was used to make astrometric observations of extra-galactic
object (EGO) 2200+420, and reference stars 1040-REF and INCA221-17 in order
to link the HIPPARCOS satellite to the extragalactic reference frame.  The
observations were completed as planned, and no anomalies were reported.

   1.2 Completed Three Sets of WF/PC-2 6253 (Pure Parallel Archive Program)

       The WF/PC-2 was used to execute a pure parallel program taking
ultraviolet observations running concurrent with prime science observations. 
The intent is to search for extra-galactic sources with flux excesses at 3000
A0 and galactic sources with excesses at 1600 A0.  The observations were
completed as planned, and no problems were reported.

   1.3 Completed WF/PC-2 6095 (Hot Stellar Populations in Globular Cluster
Cores)

       The WF/PC-2 was used to make observations of globular cluster NGC-6441
to study the radial gradients of the hot stellar population in its core
region.  Observations were made in the blue, violet and far ultraviolet.  The
observations were completed as planned, and no problems were reported.

   1.4 Completed FGS 6175 (Three Points of Light Calibration)

       The FGSs were used in the Trans Mode to make reference transfer
function astrometric observations of standard star UPGREN69 to make a three
points of light calibration.  Observations were made using three different
filters at three different locations in the "pickle".  The observations were
completed as planned, and no anomalies were reported.

   1.5 Completed WF/PC-2 5971 (HST Medium Deep Survey)

       The WF/PC-2 was used to make a long exposure medium deep sky survey
observations at latitudes larger than 10 degrees taken in parallel with the
prime science observations.  The observations were executed as scheduled, and
no anomalies were noted

   1.6 Completed WF/PC-2 5957 (Snapshot of 3CR Radio Galaxies)

       The WF/PC-2 was used to make observations for radio galaxy 3C231.0 to
study the morphology of the radio galaxy.  The observations were executed as
scheduled, and no anomalies were noted.

   1.7 Completed Two Sets of GHRS/2 5861 (The Boron Abundances of Tidily
Locked Binaries in the Hyades Cluster)

       The High Resolution Spectrograph (Side Two) was used to make
observations of the tidily locked short period binary stars HD28205 and
HD28033 which are located in the Hyades star cluster in order to measure
their boron abundance.  The observations were completed as scheduled, and no
anomalies were reported.

   1.8 Completed WF/PC-2 6250 (WF/PC-2 Cycle 5 Calibration: Internal Monitor)

       The WF/PC-2 was used to make internal bias, internal flat images and
K-Spot calibrations to monitor the health of the cameras.  The observations
were executed as scheduled, and no problems were reported.

   1.9 Completed FGS 6151 (Masses of Pre-main Sequence Stars: Cycle 4 GO/CAL)

       The FGSs were used to make observations of the pre-main sequence
binary star HV-Tau located in the Taurus star forming region.  The FGS data
will provide the apparent orbits needed to compute the total mass of the
system.  The observations were executed as scheduled, and no anomalies were
noted. 

   1.10 Completed FGS 6051 (Dynamical Masses For The Stars in the Pre-Main
Sequence Spectroscopic Class)

       The FGS were used to make astrometric measurements of the location of
star STAR-04560 (aka, GSC2387+535) to measure its relative orbit in a
pre-main sequence binary system.  The observations were executed as
scheduled, and no anomalies were noted.

2.0 FLIGHT OPERATIONS SUMMARY:

   2.1 Guide Star Acquisitions: 

                            Scheduled Acquisitions : 8
                                        Successful : 7

       One acquisition at 256/091152Z failed due to the
       search radius limit being exceeded.  HSTAR 5285 was 
       written to document this event.

                          Scheduled Reacquisitions : 7
                                        Successful : 7

   2.2 FHST Updates: 

                              Scheduled : 13
                             Successful : 13

   2.3 Operations Notes: 

       The STR dump performed at 256/0021Z had five 
       correctable bit slips.  A redump, which occurred
       at 256/0207Z had 14 bit slips.

3.0 SIGNIFICANT FORTHCOMING EVENTS: 

        Nothing at this time.


/DMH
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