HUBBLE SPACE TELESCOPE

                       DAILY REPORT #1656

PERIOD COVERED:  0000Z (UTC) 06/14/96 - 0000Z (UTC) 06/17/96

Daily Status Report as of 169/0000Z

1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED:

   1.1 Completed WF/PC-2 6187 (WF/PC-2 Cycle 5 Calibration: Earth Flat)

       The WF/PC-2 was used to make Earth streak flat calibration images. =
 These streak flats will be used to produce flat fields, to map the OTA =
illumination pattern and, in combination with other data, to produce new =
superflats.  The observations were completed as planned, and no problems =
were reported.

   1.2 Completed Three Sets of WF/PC-2 5971 (HST Medium Deep Survey)

       The WF/PC-2 was used to make 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.

   1.3 Completed WF/PC-2 6439 (Using A Cepheid Based Distance to Test the =
Light Peculiar Motions)

       The WF/PC-2 was used to make observations of spiral galaxy =
NGC-4603 which is located in the Centaurus galaxy cluster.  If this =
galaxy is a cluster member, as it appears from secondary distance =
indicators, its peculiar velocity is inconsistent with that predicted =
from the density field as reconstructed from the observed spatial =
distribution of galaxies in the cluster.  The observations were completed =
as planned, and no anomalies were reported. 

   1.4 Completed Three Sets of FOC/96 6689 (Determination of the =
Distances and Masses of Two Galactic Cepheids)

       The Faint Object Camera (f/96) was used to make observations of =
galactic Cepheid star HD183344.  The angular separation of its binary =
components will be measured from the images.  When combined with the =
information from the spectrographic orbits, the data will yield the =
masses and distances to the Cepheid.  The observations were executed as =
scheduled, and no anomalies were noted.

   1.5 Completed WF/PC-2/ GHRS/1/ FOS/BL 6567 (Wind of Massive Stars in =
Nearby Galaxies)

       The WF/PC-2, the High Resolution Spectrograph (Side One) and the =
Faint Object Spectrograph (Blue Side) were all used to make observations =
of hot stars in the local-group, irregular galaxy NGC-6822.  Detailed stud=
ies of the hot stellar populations in galaxies outside the Milky Way =
provide very important tests of the theories of stellar winds and star =
formation and evolution.  The observations were executed as scheduled and =
no anomalies were noted. 

   1.6 Completed GHRS/1 6449 (Spectroscopy of Two Further UV Bright =
High-Redshift Quasars)

       The High Resolution Spectrograph (Side One) was used to make =
ultraviolet spectrographic observations of the UV bright, unreddened, =
high-redshifted, newly discovered quasar HE-2347-43 to try to detect =
absorption lines in its line of sight.  The observations were completed =
as planned, and no anomalies were reported. 

   1.7 Completed Four 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 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.

   1.8 Completed WF/PC-2 6348 (Blue Continuum Snapshots of 3CR Radio =
Galaxies)

       The WF/PC-2 was used to make some snapshot images of the blue =
continuum in radio galaxy 3C61.1.  Combined with existing data, these =
exposures will provide high spatial resolution information on the color =
distribution within galaxies, redding due to dust, spacial indices of the =
optical synchrotron jets, and colors of the active nuclei and tidal jets. =
 The observations were executed as scheduled, and no anomalies were =
noted.

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

       The WF/PC-2 was used to make a series of internal calibration =
observations.  Internal flats, biases, and K-Spot calibration images were =
taken.  These observations are designed to monitor the health of the =
cameras.  The observations were executed as scheduled, and no anomalies =
were noted.

   1.10 Completed WF/PC-2 6431 (Determination of the Extragalactric =
Distance Scale)

       The WF/PC-2 was used to make observations of the galaxy NGC-4535 =
to be used in measuring the periods of Cepheid variable stars within this =
galaxy.  This will allow for a more accurate estimate of the distances to =
these galaxies through the period-luminosity relation for the Cepheid =
stars.  The observations were executed as scheduled, and no anomalies =
were noted.

   1.11 Completed FOS/RD 6577 (An Expanded Survey for Study of the =
Lyman-Alpha Line and QSO Mg II Absorption)

       The Faint Object Spectrograph (Red Side) was used to make =
observations of the QSO TOL1035.8 in order to make a survey of the =
Lyman-Alpha line and the 68 Mg II absorption line system.  As reported in =
2.1, the acquisition for this proposal defaulted to guidance on one FGS.  =
Otherwise, the observations completed as scheduled, and no further =
problems were reported. 

   1.12 Completed FOS/BL/GHRS/1 5947 (The Relationship Between Galaxies =
and Lyman-Alpha Absorbers at Low Redshift)

       The Faint Object Spectrograph (Blue Side) and the High Resolution =
Spectrograph (Side One) were used to make observations of Quasar =
Q-1245-033 to study the relationship between its galaxy and Lyman-Alpha =
Absorbers at low redshift.  The relationship between the galaxy and low =
column density, metal poor quasar absorbers is poorly understood.  The =
observations were executed as scheduled, and no anomalies were noted.

   1.13 Completed FGS 6271 (L726-8/UV Ceti)

       The FGSs were used to make astrometric observations of the binary =
star UV-Ceti to search for a short period low-mass companion around =
either component of this binary object.  The observations were executed =
as scheduled, and no anomalies were reported.

   1.14 Completed GHRS/2 6420 (Phase Resolved Spectroscopy of the Peculiar=
 Binary V-Sge)

       The High Resolution Spectrograph (Side Two) was used to make =
phase-resolved ultraviolet spectroscopic observations of the peculiar =
binary V-Sge, covering its orbital period.  The target is an interacting =
binary that may be related to the cataclysmic variables or the low mass =
x-ray binaries.  The observations were completed as planned, and no =
problems were reported. 

   1.15 Completed WF/PC-2 6614 (The Star Formation History of the =
Sagittarius Dwarf Spheroid Galaxy)

       The WF/PC-2 was used to make photometric observations of stars =
within the newly-discovered dwarf spheroid galaxy Sgr-DSPH2 located in =
Sagittarius.  This is the nearest galaxy to the Milky Way.  Stellar =
luminosities, colors, and metallicities will be measured.  The =
observations were completed as scheduled, and no anomalies were reported.

   1.16 Completed Two Sets of WF/PC-2 6773 (The Bucher-Oemler Effect in =
Nearby Clusters of Galaxies)

   The WF/PC-2 was used to make observations of several starburst and =
post-starburst regions the nearby galaxies and the coma of  DC2048-D21 =
and DC2048-D14.  These data will be studied to determine what triggers =
major episodes of star formation and what physically undermines the =
observed Butcher-Oemler effect in more distant galaxies.  The =
observations were completed as planned, and no problems were reported.

   1.17 Completed WF/PC-2 6286 (Nuclei of Nearly Normal Galaxies (WC12): =
Cycle 5)

       The WF/PC-2 was used to make observations of nuclei of the nearly =
normal galaxy NGC-1052 to measure the space density profile of luminous =
material and the nuclear color gradients in this object.  The images will =
be searched for bright stars, inner globular clusters, and absorbing =
interstellar dust.  The observations were executed as scheduled, and no =
anomalies were noted.

2.0 FLIGHT OPERATIONS SUMMARY:

   2.1 Guide Star Acquisitions: 

                            Scheduled Acquisitions : 17
                                        Successful : 17

       The acquisition at 167/095424Z, defaulted to fine lock backup on =
FGS #1 only.  HSTAR 5635 was written

                          Scheduled Reacquisitions : 28
                                        Successful : 28

   2.2 FHST Updates: 

                              Scheduled : 39
                             Successful : 39

   2.3 Operations Notes: 

       GSFC Internal Simulation #6 (Rendezvous/Capture) is scheduled for =
tomorrow.

3.0 SIGNIFICANT FORTHCOMING EVENTS: 

        Nothing at this time.

/DMH