HUBBLE SPACE TELESCOPE

                       DAILY REPORT #1576

PERIOD COVERED:  0000Z (UTC) 02/22/96 - 0000Z (UTC) 02/23/96

Daily Status Report as of 054/0000Z

1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED:

   1.1 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.

   1.2 Completed Three Sets of FOS/BL 6166 (FOS Cycle 5: Location of =
Spectra and Wavelength Calibration)

       The Faint Object Spectrograph (Blue Side) was used to make =
wavelength calibration images to measure the stability of the FOS blue =
side wavelength scale and spectral locations.  A Taled calibration =
observation was also taken.  The observations were completed as planned, =
and no anomalies were reported.

   1.3 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 ZZ-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. 

   1.4 Completed WF/PC-2 6253 (Pure Parallel Archive Program)

       The WF/PC-2 was used to execute a pure parallel program taking =
ultraviolet observations running concurrently 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.

   1.5 Completed WF/PC-2 6358 (UV Imaging of Circumnuclear Starburst =
Rings)

       The WF/PC-2 was used to make ultraviolet snapshot observations of =
galaxy NGC-6574 in order to study its circumnuclear starburst rings.  A =
homogeneous database of properties of the star-forming region will be =
generated.  The observations were executed as scheduled, and no anomalies =
were noted.

   1.6 Completed WF/PC-2 6129 (The Structure, Polarization, and Evolution =
of the Crab Synchrotron Nebula)

       The WF/PC-2 was used to make observations of the area near =
Crab-Pulsar (M-1) in order to study its structure, polarization, and =
evolution.  Two color and polarization images were made.  The observations =
were executed as planned, and no anomalies were reported.

   1.7 Completed WF/PC-2 6365 (A Snapshot Survey For Companions and =
Clusters around Wolf-Rayet Stars)

       The WF/PC-2 was used to make snapshot observations of the =
Wolf-Rayet star WR147 in order to look for companion stars and clusters.  =
Photometry was performed on the Wolf-Rayet star and its associated stars.  =
The observations were completed as planned, and no anomalies were =
reported.

   1.8 Completed WF/PC-2 5913 (Low-Mass Binaries and Luminosity Fuction)

       The WF/PC-2 was used to make observations of the low-mass binary =
system NGP013 (Late Type Class M dwarf stars).  The intent is to determine =
why the local stellar luminosity function is flat below Mv=3D12, while =
that found from more distant stars falls by an order of magnitude by =
Mv=3D14.  The observations were executed as scheduled, and no anomalies =
were noted.

   1.9 Completed WF/PC-2 5898 (Photometry of Candidate Dwarf Spheroidal =
Galaxies in the M-81 Group)

       The WF/PC-2 was used to make two color photometric observations of =
the dwarf candidate spheroidal galaxy Gal-100441 (dSph class) which is =
located in the M-81 galactic cluster group.   The color-magnitude diagrams =
will be constructed, which will allow for the determination of various =
physical properties for the candidate dwarf spheroids.  The observations =
were completed as planned, and no anomalies were reported.

   1.10 Completed WF/PC-2 5841 (Unidentified Extreme UV sources and =
Isolated Neutron Stars)

       The WF/PC-2 was used to make observations of the unidentified =
extreme ultraviolet source RE0922+710.  This object was detected by the =
ROSAT and EUVE satellites.  No optical counterparts to this sources have =
yet been identified, and its position is only known to about one =
arcminute.  The observations were completed as scheduled, and no problems =
were reported.

1.11 Completed Two Sets of WF/PC-2 6359 (Core Properties of the Bulges of =
Spiral Galaxies)

       The WF/PC-2 was used to make snapshot survey observations of spiral =
galaxy NGC-2748 in order to study its central bulge.  The aim is to =
investigate the core properties, correlation's with global galactic =
properties, and the frequency of occurrence of multiple and/or miscentered =
nuclei.  The observations were completed as scheduled, and no anomalies =
were noted.

   1.12 Completed FOS/RD 6025 (Consequences of the Shoemaker-Levy Impact =
With Jupiter)

       The Faint Object Spectrograph (Red Side) was used to make =
spectrographic observations of the planet Jupiter in order to study the =
consequences from the impact of the comet Shoemaker-Levy.  This is to =
study the atmosphere following the impact to measure the chemical =
abundances as a function of time.  The observations were completed as =
scheduled, and no problems were reported.

   1.13 Completed WF/PC-2 6092 (Disk Globular Clusters in Edge-On Spiral =
Galaxies)

       The WF/PC-2 was used to make observations of the edge-on spiral =
galaxy NGC-4565 in order to study its disk globular clusters.  The =
question is whether the thick disk in spiral galaxies results from =
accretion of one or more satellite galaxies.  The observations were =
completed as planned, and no anomalies were noted.

2.0 FLIGHT OPERATIONS SUMMARY:

   2.1 Guide Star Acquisitions: 

                            Scheduled Acquisitions : 7
                                        Successful : 7

                          Scheduled Reacquisitions : 5
                                        Successful : 5

   2.2 FHST Updates: 

                              Scheduled : 11
                             Successful : 11

   2.3 Operations Notes: 

       ESTR #2 remains powered off.

3.0 SIGNIFICANT FORTHCOMING EVENTS: 

        Nothing at this time.

/DMH