HUBBLE SPACE TELESCOPE

                       DAILY REPORT #1549

PERIOD COVERED:  0000Z (UTC) 01/11/96 - 0000Z (UTC) 01/16/96

Daily Status Report as of 016/0000Z

1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED

   1.1 Completed Three Sets of WF/PC-2 6183 (WF/PC-2 Cycle 5 Calibration: =
Decon)

       The WF/PC-2 was used to make some internal flat, K-Spot, and dark =
calibration images.  The purpose is to define decontamination procedures =
to be run during Cycle 5.  The calibration observations were completed as =
scheduled, and no anomalies were reported.

   1.2 Completed Two Sets of 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 NGP002 (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.

   1.3 Completed WF/PC-2 5994 (HST Images of New Candidates For Distant =
Proto-Ellipticals)

       The WF/PC-2 was used to make an observation of blue compact galaxy =
SA57-5482 in order to measure its size, light profiles, and color.  The =
observation was executed as scheduled, and no anomalies were noted.

   1.4 Completed FOS/BL 6290 (The Ultraviolet Spectrum of the Crab Pulsar)

       The Faint Object Spectrograph (Blue Side) was used to make =
ultraviolet spectrographic observations of the Crab Pulsar (aka,  =
PSR0531+21).  This is to measure its interstellar extinction, and the =
extinction within the nebula.  The observation were completed as planned, =
and no anomalies were reported.

   1.5 Completed Two 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.

   1.6 Completed FOS/RD 5654 (Lyman Alpha Spectra of Discordant Redshift =
Systems)

       The Faint Object Spectrograph (Red Side) was used to make =
Lyman-Alpha spectral observations of quasar PKS-1327-2, which apparently =
is in the vicinity of a galaxy with a significantly lower redshift.  It is =
hoped to estimate the relative distance of each object.  The observations =
were executed as scheduled, and no anomalies were noted. 

   1.7 Completed GHRS/2 6249 (Observations of Interstellar Oxygen)

       The High Resolution Spectrograph (Side Two) was used to make =
spectrographic observations of star HD138690 in order to study =
interstellar oxygen in the line of sight to that star.  It was found =
previously that the oxygen abundance in the direction of Orion is only =
half of the solar abundance.  The observations were completed as =
scheduled, and no anomalies were noted.

   1.8 Completed FOS/BL 6038 (Winds of Massive Stars in Nearby Galaxies, =
the WR Stars)

       The Faint Object Spectrograph (Blue Side) was used to make =
spectrographic observations of the massive Wolf-Rayette star M-33-AM6 =
which is located in the M-33 Galaxy in order to study its stellar winds.  =
The observations were completed as planned, and no problems were reported.

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

       The FGSs were used to make astrometric observations of the binary =
star L726/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.

   1.10 Completed GHRS/1 6069 (Unraveling the Complex Wind Outflow From =
Zeta Auriga)

       The High Resolution Spectrograph (Side One) was used to make =
spectrographic observations of the star Zeta Auriga (aka, HD32068) in =
order to study its complex wind outflow.  This system in to be an =
eclipsing binary system with a 972 day period.  A wavelength calibrations =
observation was also taken.  The observations were completed as planned =
and no anomalies were reported.

   1.11 Completed WF/PC-2 5978 (Host Galaxy of Distant Radio Quasars)

       The WF/PC-2 was used to make observations of the host galaxy of =
distant radio-loud quasar QSO-1023+4.  The observations were executed as =
scheduled, and no anomalies were noted.

   1.12 Completed WF/PC-2 5902 (Color-Magnitude Diagrams and the Internal =
Structure of Globular Clusters)

       The WF/PC-2 was used to make observations of core region of the =
globular cluster NGC-5824 in order to make a color-magnitude diagram and =
study the internal structure of the cluster.  The observations were =
executed as planned, and no anomalies were reported.

   1.13 Completed WF/PC-2 5962 (Young Globular Clusters in Merging =
Galaxies: Part III)

       The WF/PC-2 was used to make observations of two merging galaxies =
(aka, NGC-4038/4039) in order to study their compact young blue globular =
clusters to determine their age, luminosity function, and physical =
properties.  The observations were executed as scheduled, and no anomalies =
were noted.

   1.14 Completed GHRS/1 5896 (Detailed Studies of High Velocity Ionized =
Gas in Galactic Disks)

       The High Resolution Spectrograph (Side One) was used to make =
observations of star HD35149 in order to study high velocity ionized gas =
in its line of sight to help study the gas in our galactic disk.  The =
observations were completed as planned, and no anomalies were reported.

   1.15 Completed WF/PC-2 6134 (Investigating the Nature of Circumstellar =
Matter in Young Clusters)

       The WF/PC-2 was used to take broad band images of several young =
star clusters associated with bright reflection nebula NGC-2068 in an =
attempt to detect circumstellar (CS) material about the stars in these =
clusters.  The HST data will be combined with ground based near-IR and =
millimeter data.  The combined data is expected to determine the frequency =
distribution of CS material and disks in undisturbed young clusters, the =
size and mass distribution of CS nebulae, and the correlation of these =
properties with stellar luminosity.  The observations were completed as =
scheduled, and no problems were reported.

   1.16 Completed Two Sets of WF/PC-2 6352 (Dwarf Eliptical Galaxy =
Snapshots)

       The WF/PC-2 was used to survey FCC16, from a sample of 30 dwarf =
eliptical galaxies.  During the first set of these observations, the FGS =
acquisition failed which was documented in HSTAR 5465.  The second =
observation was completed as planned, and no anomalies were reported.

   1.17 Completed Two Sets of WF/PC-2 5919 (UV Evolution of Galaxies in a =
Distant Cluster)

       The WF/PC-2 was used to make ultraviolet observations of the =
distant galactic cluster Abell-851 in order to study its ultraviolet =
evolution.  These observations are intended to test current ideas of the =
age and metal abundance of distant systems.  The observations were =
completed as planned, and no problems were reported.

   1.18 Completed WF/PC-2 5992 (The Host Galaxies and Environments of BL =
Lacertae Objects)

       The WF/PC-2 was used to make short and deep observations of the BL =
Lacertae class object MS1221+245.  The short exposures will allow study of =
the inner regions of the host galaxy.  The longer exposures will allow a =
search for faint galaxy companions and any interaction between the faint =
companion and the AGN.  The observations were executed as scheduled, and =
no anomalies were noted.

   1.19 Completed WF/PC-2 5903 (The Origin and Nature of UV Bright stars =
in Globular Clusters.)

       The WF/PC-2 was used to make blue, violet, and ultraviolet =
observations of the globular cluster NGC-6205 in order to study its origin =
and nature.  The objectives are to study the horizontal branch mass =
distribution in this cluster, and to search for blue straggler stars in =
the core of the cluster.  The observations were completed as scheduled, =
and no problems were noted.

   1.20 Completed WF/PC-2 5993 (Dark Matter Distribution in A1689 from =
gravitational lensing)

       The WF/PC-2 was used to make observations of galaxy cluster =
Abell-1689-1 in order to study the distribution of dark matter in the =
lensing galaxy cluster system.  This is to carry out an extensive survey =
of the galaxies lying behind this cluster.  The observations were =
completed as planned, and no problems were reported.

   1.21 Completed WF/PC-2 5999 (The Nuclear Structure of S0 Galaxies: A PC =
Imaging Survey)

       The WF/PC-2 was used to make observations of S0 class galaxy =
NGC-2328 in order to study its nuclear structure.  This is a part of a =
large survey of S0, E/S0, and S0/a class galaxies.  The targets will cover =
a wide range in luminosity and environment.  The observations were =
completed as planned, and no anomalies were noted.

   1.22 Completed WF/PC-2 6332 (The Circumnuclear Regions of Seyfert =
Galaxies LRF Part: cycle 4 Medium)

       The WF/PC-2 and the linear ramp filter (LRF) were used to make =
observations for the circumnuclear regions of Seyfert ESO428-G14 in both =
emission and continuum.  From the data the PI expects to derive sufficient =
evidence to confirm or refute a suggested model of Seyfert Type 2 =
galaxies.  The observations were executed as scheduled, and no anomalies =
were noted.


   1.23 Completed WF/PC-2 6184 (WF/PC-2 Cycle 5 Photometric Calibration =
Monitor UV/OPT STD)

       The WF/PC-2 was used to make ultraviolet and optical observations =
of standard star GRW+70D582 in order to monitor the photometric =
calibrations of the camera and to check for decontamination.  The =
observations were executed as scheduled, and no anomalies were noted.

   1.24 Completed FGS 6037 (Continuation of an Astrometric Search for =
Planetary Companions to Proxima-Cent)

       The FGSs were used in the POS mode to make astrometric observations =
of the star Proxima-Cent and a sub-set of eight reference stars.  This is =
to look for the presence of a planetary companion.  The observations were =
executed as scheduled, and no anomalies were noted.

   1.25 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.

   1.26 Completed Five Sets of WF/PC-2 6188 (WF/PC-2 Cycle 5 Calibration: =
Dark)

       The WF/PC-2 was used to make internal dark calibration images.  The =
observations were completed as scheduled, and no problems were reported.

   1.27 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.

   1.28 Completed FGS 6036 (Detection and Mass Determination of Low Mass =
Companions to nearby M Dwarf)

       The FGSs were used in both the POS and TRANS Modes to make =
astrometric observations of low mass companions to M class dwarf star =
GJ1081 and four reference stars.  This will lead to a mass determination =
for the stars.  The observations were completed as planned, and no =
anomalies were noted.

   1.29 Completed FGS 6049 (Monitoring the Size and Shape of Mira Type =
Stars)

       The FGSs were used to make astrometric observations of the Mira =
class star HD120285 in order to study its size and shape during different =
phases of its pulsation cycle.  The observations were completed as =
planned, and no anomalies were reported.

   1.30 Completed FOS/BL 6206 (FOS Polarimetry Calibration)

       The Faint Object Spectrograph was used to determine the most useful =
spectropolarimetric modes by making observations of standard star =
BD+64D106.  The investigators will determine the locations of the =
polarization spectra, the transmission of the polarizer, the angles of the =
Wollaston prisms and waveplates in celestial coordinates, and the =
instrumental polarization.  The observations were completed as planned,  =
and no anomalies were reported.

   1.31 Completed WF/P-2 6254 (GTO Pure Parallel Program - Cycle 5)

       The WF/PC-2 was use to make random long exposures of high galactic =
fields taken in parallel with the prime science observations to obtain a =
random sample of galaxies.  The observations were executed as scheduled, =
and no anomalies were noted.

   1.32 Completed WF/PC-2 5463 (Buried QSOs in IRAS-Selected Ultra =
luminous AGNs)

       The WF/PC-2 was used to make observations of the luminous  IRAS =
active galactic nuclei of galaxy MARK463E to try to resolve the polarized =
scattering regions in its core.  The observations were completed as =
planned, and no anomalies were reported.

2.0 FLIGHT OPERATIONS SUMMARY:

   2.1 Guide Star Acquisitions: 

                            Scheduled Acquisitions : 29
                                        Successful : 28

       There was one FGS acquisition failure at 013/0743Z.   
       The event was documented in HSTAR 5465.

                          Scheduled Reacquisitions : 47
                                        Successful : 47

   2.2 FHST Updates: 

                              Scheduled : 73
                             Successful : 73

   2.3 Operations Notes: 

       Throughout the period, the Shuttle has appropriated many of the =
scheduled TDRSS resources.  Operations personnel have managed to ensure =
that no science or engineering data has been last, however.

       The new PRS 8.1/TTAC ground system continues to operate with no =
reported problems.

3.0 SIGNIFICANT FORTHCOMING EVENTS: 

        Nothing at this time.

/DMH