HUBBLE SPACE TELESCOPE
                               DAILY REPORT #884

PERIOD COVERED:  0800 EST
Daily Status Report as of 131/1200Z.

1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED:

   1.1 Completed FOC/96 4353 (Hubble Space Telescope Imaging of Io: Cycle 3 
       High)

       The Faint Object Camera was used to make ultraviolet and visible
       images of Jupiter's moon Io in order to determine the abundance and
       distribution of surface and atmospheric constituents. All
       observations were made in single star fine lock. Three corrective
       slews were successfully uplinked. The moon was well within the field
       of view for each image, however, it was off center by about 1.5
       arcseconds in declination. The observations were displayed in the
       OSS, and hard copies were made for the co-invesigator. 

   1.2 Completed FOC/96 4804 (UV Imaging of Nearby Galaxies with the FOC/96)

       The Faint Object Camera was used to make four 10 minute ultraviolet
       exposures of nearby galaxy ESO-1033 using filter F220W. The first
       two, and last observations were successful. The baseline guide star
       acquisition failed to make single star fine lock, and then did make
       course track (FGS 1) on the third observation. The observation
       executed under this degraded tracking with no other problems. The
       PCS CE reported that the FHST update failed the previous roll. 

   1.3 Completed GHRS/2 3472 (The Properties of Single Interstellar Clouds, 
       Cycle 2)

       The High Resolution Spectrograph was used 27 spectral observations
       with the Echelle spectrograph and grating G160M to make observations
       of early-type star HD158962. This spectra will be used to study the
       individual interstellar cloud between the Earth and this star. The
       observations were reported to look fine. 

   1.4 Completed FOC/96 3801 (Search of QSOs suitable for Subsequent 
       Observations of He II)

       The Faint Object Camera was used to make ultraviolet images of
       quasar 2138-4427. These observations will measure its ultraviolet
       flux levels to determine if its has sufficient ultraviolet flux for
       subsequent observations using the HRS and FOS to look for Helium II
       absorption features. The observations were executed as scheduled,
       and no problems were reported. 

   1.5 Completed FOS/BL 4054 (Probing the Nuclear Regions of Seyfert Galaxy 
       NGC-5548)

       The faint Object Camera was used to make observations of Seyfert
       galaxy NGC-5548 looking for time variations in its continuum, and
       emissions in Helium II and Carbon IV. The OSS monitored the
       observations and assessed the data quality. No problems were
       reported. 

   1.6 Completed  WFC/PC 4109 (WF/PC Cycle 2 Calibration: Rapid Internal 
       Monitor)

       Both the Planetary Camera and the Wide Field Camera were used to
       make internal flat calibration images to check for new forms of
       contamination (i.e., daisies and measles), and the return of quantum
       efficiency hysteresis. The observations were executed as scheduled,
       and monitored in the OSS. No problems were reported. 

   1.7 Completed PC 4140 (WF/PC Cycle 2 Calibration: Rapid Internal 
       Monitor - Part 2)

       The Planetary Camera was used with filter F439W to make internal
       flat images to check for quantum efficiency hysteresis. The
       calibrations proposal was monitored in the OSS, and the data quality
       was assessed. No problems were reported. 

   1.8 Completed WFC 4381 (HST Medium Deep Survey - Cycle 3)

       The Wide Field Camera was used to make high latitude medium-deep
       survey observations taken in parallel with the prime science
       observations. The observations were executed as scheduled, and no
       problems were reported. 

2.0 FLIGHT OPERATIONS SUMMARY:

    2.1 Guide Star Acquisitions: 

                            Scheduled Acquisitions : 8
                                        Successful : 7

                            Failure 130/1930Z, Backup FL to CT

                          Scheduled Reacquisitions : 6
                                        Successful : 6
                                    Losses of Lock : 0

   2.2 FHST Updates: 

                              Scheduled : 9
                             Successful : 8

                            Failure 103/1902Z, Update

   2.3 Significant HSTARs: None

   2.4 Operations Note: None

3.0 ACTIVITIES SCHEDULED FOR NEXT REPORTING PERIOD:

   3.1 Complete FGS 2941 (High Speed Astrometry - Search for Planetary 
       Companions to Low Mass)

   3.2 Complete FGS 4775 (Exposure Time Calibration in High Background 
       Fields)

   3.3 Uplink Updated Ephemeris Tables, Per MOSES 2871

   3.4 Complete GHRS/2 3965 (Spectroscopy of BL Lac Objects, Cycle 2)
 
   3.5 Complete FOS/BL 4054 (Probing the Nuclear Regions of Seyfert Galaxy 
       NGC-5548)

   3.6 Complete WFC 4381 (HST Medium-Deep Survey - Cycle 3)

4.0 ANOMALY STATUS:
	
   4.1 Significant New Anomalies: None

   4.2 Significant Unresolved Anomalies: None
 
5.0 SIGNIFICANT FORTHCOMING EVENTS: Nothing at this time.

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