HUBBLE SPACE TELESCOPE

                       DAILY REPORT #1468

PERIOD COVERED:  0000Z (UTC) 09/01/95 - 0000Z (UTC) 09/05/95

Daily Status Report as of 248/0000Z

1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED:

   1.1 Completed Six Sets of WF/PC-2 5831 (Temporal Evolution of Neptune's
Vertical Aerosol Structure)

       The WF/PC-2 was used to make observations of the planet Neptune at
various different wavelengths to study the temporal evolution of its vertical
structure in its atmosphere.  There were a total of four guide star
acquisiton failures to course track. All four occured using the same guide
star. (See HSTRS 5267, 5268, and 5273).

the acquisition failed to coarse track near the beginning of proposal
execution.

   1.2 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-104
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.

   1.3 Completed GHRS/1 6168 (GHRS PHA/Ion/Threshold Adjustment Test-Cycle 5)

       The High Resolution Spectrograph (Side One) was used to run the
standard pulse height analysis (aka, PHA), and to make internal flat
calibration images, ion and threshold adjustments, and a dark calibration
image. These are internal observations, which will be used to determine the
best threshold setting for each diode. The observations were completed as
planned, and no problems were reported.

   1.4 Completed WF/PC-2 5839 (Gamma Ray Burst Counterparts in the
Ultraviolet)

       The WF/PC-2 was used to make ultraviolet observations of object
GRB790325B which is thought to be an optical counterpart of a gamma ray
burster. Three filters from the blue to the ultraviolet were used. The
observations were completed as scheduled, and no anomalies were noted.

   1.5 Completed WF/PC-2 5998 (The Evolution of Massive Stars: Closing the
Loop Observationally)

       The WF/PC-2 was used to  make observations of (OB Class) massive star
M-31-FIELD 3 which is located in the Andromeda galaxy. The goal is to study
the evolution of this class of massive stars. The observations were executed
as scheduled, and no anomalies were noted.

   1.6 Completed WF/PC-2 5972 (Determination of the Extragalactic Distance
Scale)

       The WF/PC-2 was used to make observations of the galaxy NGC-1365
looking for standard candle Cepheid variable stars. The purpose of this
observations is to help estimate the Hubble constant with an accuracy of 10%.
The observations were executed as scheduled, and no anomalies were noted.

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

       The WF/PC-2 was used to make observations of radio galaxies 3C13.0 and
3C31.0 to study the morphology of these radio galaxies. The observations were
executed as scheduled, and no anomalies were noted.

   1.8 Completed WF/PC-2 5932 (Morphologies of High Redshift Radio Galaxies)

       The WF/PC-2 was used to make observations the high redshift galaxy
GAL-2027-2  ( At distance Z>2) in order to study its morphology, especially
the fine detail in clumping. The images were obtained in the continuum and
Lyman-Alpha. The observations were executed as planned, and no anomalies were
noted.

   1.9 Completed FGS 6262 (High Speed Astrometry - Barnard's Star)

       The Fine Guidance Sensors were used to make high speed astrometric
observations of Barnard's Star and seven reference stars. The observations
were executed as scheduled, and no anomalies were noted.

   1.10 Completed Four Sets of 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.

   1.11 Completed WF/PC-2 6185 (Baade's Window Proper Motions)

       The WF/PC-2 was used to make second-epoch observations of the galactic
bulge (FIELD-1803 within Baade's Window) to study its proper motion of the
bulge stars. The proper motion will be used to determine the kinematical
properties of the bulge. The observations were executed as scheduled, and no
problems were reported.

   1.12 Completed Two Sets of WF/PC-2 6119 (Snapshot Survey for Companions of
Planetary Nebula Nuclei)

       The WF/PC-2 was used to make snapshot survey observations of planetary
nebulae NGC-2452 and IC5148-50 to study their nuclei and to look for possible
companions. The observations were executed as scheduled, and no anomalies
were noted.

   1.13 Completed FOS/RD 5388 (Detailed Study of 4C41.17, The Most Distant
Galaxy, Cycle 4 Medium)

       The Faint Object Spectrograph (Side Two) was used to make observations
of bright clumps within the most distant known galaxy 4C41.17 (at redshift
3.8). The goal of the spectroscopy is to obtain information on the kinematics
of the clumps and the scale and nature of the absorption clouds that have
been associated with this object. The observation were finished as scheduled,
and no anomalies were noted.

   1.14 Completed FGS 6269 (Parallax of TV COL)

       The FGSs were used to measure the parallax of variable X-Ray star TV
COL. The observations were completed as planned, and no problems were
reported.

   1.15 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 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.

   1.16 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 3C147.0. The observations were executed as
scheduled, and no anomalies were noted.

   1.17 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.

   1.18 Completed FOS/BL 6293 (The Extreme Ultraviolet Spectrum of a High
Red-shift Quasar)

       The Faint Object Spectrograph (Blue Side) was used to make
spectrographic extreme ultraviolet observations of the high red shift quasar
SBS1542+54 (at Z=2.37). Of primary interest are the shape of the extreme
ultraviolet continuum of the quasi-stellar object, and the nature of any
intervening absorbing matter. The observations were completed as scheduled,
and no problems were noted.

   1.19 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

   1.20 Completed FGS 6158 (Parallaxes of Hyades Cluster Members, Cycle 5 -
Part 2)

       The FGSs were used to make astrometric POS Mode  observations (Part
Two) of members (Set PCEN472, VA472, AST86-REF, et. al.) of the Hyades
Cluster in order to measure their parallaxes. This is part two of proposal
#6157. The observations were executed as scheduled, and no anomalies were
noted.

   1.21 Completed Four Sets of WF/PC-2 5760 (The Search for Super Planets
Around Weak T-Tauri Stars)

       The WF/PC-2 was used to make I-Band observations of T-Tauri Class
stars NTTS-04322 and HBC372 in order to search for possible super planets by
looking for thermal radiation from the planets in orbit around these stars.
The observations were completed as scheduled, and no problems were reported. 

   1.22 Completed WF/PC-2 5765 (Detailed Study of 4C41.17, The Most Distant
Galaxy - LRF Portion)

       The WF/PC-2 was used with a linear ramp filter (aka, LRF) to make
Lyman Alpha observations of one of the most distant galaxies 4C41.17. The
images will be used to study the Lyman Alpha emission from the galaxy and its
halo. The observations were completed as scheduled, and no anomalies were
noted.

   1.23 Completed WF/PC-2 6235 (High Resolution Imaging of Radio Galaxies at
Redshift Z~1.0)

       The WF/PC-2 was used to make observations of faint radio galaxy 3C22
which is known to have a redshift of about one. This is to attempt to
determine the cause of the alignment of the blue-excess along the radio axis.
The observations were executed as scheduled, and no anomalies were noted.

   1.24 Completed WF/PC-2 5912 (Precise Astrometry in the Core of the
Globular Cluster 47 Tuc)

       The WF/PC-2 was used to make ultraviolet observations of the globular
cluster 47 Tuc (aka, NGC-104) in order to make precise astrometric
measurements. These images will be used with others taken over a two year
period to search for high proper motion stars. There was a guide star
acquisition which failed to course track. (See HSTAR 5275) No other anomalies
were noted.

   1.25 Completed Two 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.

   1.26 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+420IN, and reference stars   1020-REF, INCA221-14, et. al.
in order to link the HIPPARCOS satellite to the extragalactic reference
frame. The observations were completed as planned, and no anomalies were
reported.

   1.27 Completed WF/PC-2 6060 (The Structure of Nova Shells)

       The WF/PC-2 was used to make observations of the nova shell around DQ
Herculis in order to study its structure. The goal is to determine whether
these shells are broken into knots, and if so, to determine the size
distribution of the knots. The observations were completed as planned, and no
anomalies were noted.

   1.28 Completed GHRS/2/1 6024 (The Ultraviolet Emissions of Titan)

       The High Resolution Spectrograph (Both Side One and Two) were used to
make far ultraviolet spectrographic observations of emissions from Jupiter's
largest moon Titan. Emissions are expected from atomic and molecular neutral
and ionized species of atmospheric gases. The observations were completed as
planned, and no anomalies were noted.

2.0 FLIGHT OPERATIONS SUMMARY:

   2.1 Guide Star Acquisitions: 

                            Scheduled Acquisitions : 33
                                        Successful : 29

                         There were five FGS Guide star                   
acquisitions which failed to coarse track. Four of these failures occured
using the same guide star. (See HSTARs 5267, 5268, 5272 ,5273 and 5275, )

                          Scheduled Reacquisitions : 27
                                        Successful : 27

   2.2 FHST Updates: 

                              Scheduled : 50
                             Successful : 50

   2.3 Operations Notes: 

       Other than the reported FGS guide stars acquisitions which failed to
course track (See Sections 1.1, 1.24 and 2.1), no other anomalies were noted.

3.0 SIGNIFICANT FORTHCOMING EVENTS: 

        Nothing at this time.

/DMH
                     -END-