HUBBLE SPACE TELESCOPE

                              DAILY REPORT #1421

PERIOD COVERED:  0000Z (UTC) 06/27/95 - 0000Z (UTC) 06/28/95

Daily Status Report as of 179/0000Z

1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED:

   1.1 Completed WF/PC-2 6143 (WF/PC-2 Cycle 4 Photometric Calibration:
Smaller Set, Part II)

       The WF/PC-2 was used to make single CCD calibration observations of
standard star GRW+70D582 to monitor the photometric stability and quantum
efficiency of the PC1 and WF3.  The observations were executed as scheduled,
and no anomalies were reported.

   1.2 Completed WF/PC-2 5568 (WF/PC-2 Cycle 4 Calibration: Decontamination)

       The WF/PC-2 was used to make internal flat field calibration
observation using the VIS lamp and the internal source as part of
decontamination operations.  A dark calibration image was also taken.  The
observations were completed as planned, and no problems were reported. 

   1.3 Completed WF/PC-2 5663 (WF/PC-2 Cycle 4: Photometric Calibration
Monitor: Fields Part 2)

       The WF/PC-2 was used to make observations of globular cluster NGC-5139
with various filters in order to check the photometric calibration of the
WF/PC-2.  The observations were completed as planned, and no anomalies were
reported. 

   1.4 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. 

   1.5 Completed FOS/RD 6016 (Entrainment and Hotspots in the HH47 Protostar
Jet)

       The Faint Object Spectrograph (Red Side) was used to make observations
of Herbig-Haro objects HH47 and HH46.  The main purpose is to obtain spectra
of the jet in protostar HH47 to investigate the mass exchange between the
stream and the surrounding medium, and to look for differences between Mach
disk emissions and bow shock emissions.  A wavelength calibration image was
also taken.  The observations were executed as scheduled, and no anomalies
were reported.

   1.6 Completed WF/PC-2 6251 (Medium Deep Survey - Crafting Test)

       The WF/PC-2 was used in this continuation of the medium deep survey. 
The proposal is targeting rare objects (lenses, peculiar galaxies, faint
stars) and sources related to the faint blue galaxy problem.  This
observation was completed with no reported problems.

   1.7 Completed GHRS/2 5885 (GHRS- Observations of Candidate Beta-Pictoris
Circumstellar Gaseous Disks)

       The High Resolution Spectrograph (Side Two) was used to make
observation of stars HD215789 and HD256 which are candidates to have Beta
Pictoris-like gaseous disks.  The objective is to confirm the existence of
circumstellar gas, and to understand its origin.  The observations were
completed as planned, and no anomalies were reported.

2.0 FLIGHT OPERATIONS SUMMARY:

   2.1 Guide Star Acquisitions: 

                            Scheduled Acquisitions : 5
                                        Successful : 4

       One acquisition at 179/0722Z failed on FGS #2, and    
       successfully went to coarse track backup on FGS #3. The 
       FHST full maneuver update at 0704Z (in LOS) and an FHST map 
       (2,3) at 0810 had both shown attitude errors.  HSTAR 5224 
       was written.

                          Scheduled Reacquisitions : 8
                                        Successful : 8

   2.2 FHST Updates: 

                              Scheduled : 9
                             Successful : 9

   2.3 Significant HSTARs: None

   2.4 Operations Notes: 

       No operational problems were reported.

3.0 SIGNIFICANT FORTHCOMING EVENTS: 

        Nothing at this time.

/DMH
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