HUBBLE SPACE TELESCOPE

                              DAILY REPORT #1360

PERIOD COVERED:  0000Z (UTC) 03/31/95 - 0000Z (UTC) 04/03/95

Daily Status Report as of 093/0000Z

1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED:

   1.1 Completed FOS/BL 5539 (Cycle 4 FOS Photometric Monitor)

       The Faint Object Spectrograph (Blue Side) used standard star HZ-44 to
calibrate the absolute sensitivity of its detectors. The observations were
executed as scheduled, and no anomalies were noted. 

   1.2 Completed WF/PC-2 6142 (WF/PC-2 Cycle 4 Calibration: Earth Flats,
Smaller Set Part II)

       The WF/PC-2 was used to make Earth Flat calibration images for the
ultraviolet and narrow-band filters to correct for the telescope's
illumination pattern. The observations were executed as scheduled, and no
anomalies were noted.

   1.3 Completed FOS/BL 6146 (FOS Location of Spectra and Aperture - Part 2)

     The Faint Object Spectrograph (Blue Side) was used to conduct a test to
determine the repeatability of positioning the filter-grating wheel. All
observations were internal. A wave length calibration image was also taken.
All observations were executed as scheduled, and no anomalies were noted.

   1.4 Completed Four Sets of WF/PC-2 5479 (Subarcsecond Structure in Nearby
AGNs)

       The WF/PC-2 was used to make snapshot observations of the nearby
active galactic nuclei of IC4687, IR1832-594, IR1833-654, NGC-6221, NGC-6300,
NGC-6397, NGC-3281, ESO438-G9, and  MARK686
to study the interactions between the central  engine, the stars, and the
interstellar matter in these AGNs. The observations were executed as
scheduled, and no anomalies were noted. 

   1.5 Completed WF/PC-2 5366 (The Chronology of the Galactic Halo and Disk) 

       The WF/PC-2 was used to make both deep and short exposure observations
of galactic globular cluster NGC-6637. The intent is to study the chronology
of the formation of the galactic         halo and disk by estimating the ages
of these clusters from     the color-magnitude diagrams produced from these
exposures. The images were reported to look nominal. 

   1.6 Completed WF/PC-2 5560 (WF/PC-2 Cycle 4 Calibration: Internal Monitor.
1) 

       The WF/PC-2 was used to make several internal bias, K-Spot, and flat
calibration observations to monitor the CCD camera electronics, the optical
alignment, and to check for contamination. The observations were completed as
planned, and no anomalies were noted. 

   1.7 Completed GHRS/2 5673 (Cepheid Masses: Cycle 4 High, Part 2)

       The High Resolution Spectrograph (Side Two) was used to make
observations of Cepheid star HD172167-C to measure its radial velocity. A
wavelength calibration image was also taken. A Loss of Lock occurred at
090/2336Z during a ZOE. Fine Lock was reestablished at 090/2337Z. No science
data was lost. No other anomalies were noted.

   1.8 Completed WF/PC-2  5476 (Continuum Snapshots of 3CR Radio Galaxies) 

       The WF/PC-2 was used to make snapshot images of radio galaxy 3C386.0
as part of a continuum survey and to study the galaxy's morphology. The
observations were executed as scheduled, and no anomalies were noted.

   1.9 Complete WF/PC-02 5439 (The Calibration of White Dwarf Distance Scale
for Globular Clusters) 

       The WF/PC-2 was used to make observations of white dwarf  NGC-6752 to
help use the cooling sequence of the white dwarf to determine distances. The
observations were executed as planned, and no problems were reported.

   1.10 Completed WF/PC-2 5485 (Long Period Variables of M81)

       The WF/PC-2 was used to make observations of the long period variables
in galaxy M-81 (aka, NGC-3031) to compare to those already studied in our
galaxy and the Magellanic Clouds to learn how much of a role is played by the
environment in which these stars form. The observations were completed as
scheduled, and no anomalies were noted. 

    1.11 Completed WF/PC-2 5773 (WF/PC-2 Augmentation - NGC-604 and M-16 :
Cycle 4 and Future Cycles)

       The WF/PC-2 was used to make observations of the H II regions M16-A to
obtain both emission line and continuum images. The observations were
completed as scheduled, and no anomalies were noted.

   1.12 Completed WF/PC-2 5369 (HST Medium-Deep Survey: Cycle 4 Medium, High
Galactic  Latitude) 

       The WF/PC-2 made a series of observations of high latitude objects as
part of a medium deep sky survey. The observations were taken in parallel
with other prime science observations. The observations were completed as
scheduled, and no anomalies were noted.

   1.13 Completed WF/PC-2 5370 (HST Medium-Deep Survey: Cycle 4 Medium, High
Galactic Latitude)

       The WF/PC-2 was used in parallel with the prime science observations
to make high galactic latitude observations as part of a medium-deep sky
survey. The observations were completed as planned, and no problems were
reported. 

   1.14 Completed FOS/BL 5743 (Pluto's FUV Spectrum: CO Abundance and FUV
Survey, Carryover from 3803)

       The Faint Object Spectrograph (Blue Side) was used to make
far-ultraviolet observations of the planet Pluto (excluding its moon Charon)
to study CO abundance and conduct a FUV survey. A Taled calibration
observation was also taken. The observations were executed as scheduled, and
no anomalies were noted.

2.0 FLIGHT OPERATIONS SUMMARY:

   2.1 Guide Star Acquisitions: 

                            Scheduled Acquisitions : 20
                                        Successful : 20

                          Scheduled Reacquisitions : 18
                                        Successful : 18

   2.2 FHST Updates: 

                              Scheduled : 27
                             Successful : 27

   2.3 Significant HSTARs: None

   2.4 Operations Notes: 

       Data inversions continue to be reported during operations supported at
STGT.

       The ESTR reconfiguration was completed on Saturday evening.  ESTRs #1
and #2 are now assigned to science, and ESTR #3 is assigned to
engineering/safemode.

3.0 ANOMALY STATUS:

   3.1 Significant New Anomalies: None

   3.2 Significant Unresolved Anomalies: None

4.0 SIGNIFICANT FORTHCOMING EVENTS: 

        Nothing at this time.

/DMH
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