HUBBLE SPACE TELESCOPE

                              DAILY REPORT #1362

PERIOD COVERED:  0000Z (UTC) 04/04/95 - 0000Z (UTC) 04/05/95

Daily Status Report as of 095/0000Z

1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED:

   1.1 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. 

   1.2 Completed Two Sets of WF/PC-2 5355 (The Binary Frequency Among
Solar-Type Stars in Young Clusters: Cycle 4)

       The WF/PC-2 was used to make observations of the young cluster
NGC-2068-PO to try and resolve close binary stars located within the cluster
which may have separations as close as 0.1 arcseconds. The observations were
executed as scheduled, and no anomalies were noted.

   1.3 Completed WF/PC-2 5655 (WF/PC-2 Cycle 4 Calibration: Internal Monitor.
2: Flats Part 2)

        The WF/PC-2 was used to make a visual flat. The observations were
completed as planned, and no problems were reported. 

   1.4 Completed Two Sets of WF/PC-2 5562 (WF/PC-2 Cycle 4 Calibration:
Internal Monitor 3: Darks)

       The WF/PC-2 was used to obtain several 30-minute long, dark exposures
to provide ongoing calibration of the CCD dark current and to monitor and
characterize the evolution of hot pixels. The observations were executed as
scheduled, and no anomalies were noted. 

   1.5 Completed FGS 6138 (Long Term Stability Monitoring of FGS #3)

       FGS #3 was used to make astrometric calibration observations of stars
OF63-REF, OF52, OF89-REF, OF91-REF, OF79-REF, OF51-REF, OF69-REF, OF74-REF,
OF92-REF, et. al. located on open star cluster M-35 to monitor the long term
stability of the FGS. The observations were executed as scheduled, and no
anomalies were noted.

   1.6 Completed WF/PC-2 5092 (GTO Low Latitude Parallel Program: Cycle 4) 

       The WF/PC-2 was used to make observations taken in parallel with the
prime science observations. This is part of a survey to take pictures of a
large number of fields within 30 degrees of the galactic plane. The
observations were completed as planned, and no problems were reported.

   1.7 Completed WF/PC-2 5132 (A Photometric Search for Planets of Nearby
Stars) 

       The WF/PC-2 was used to make photometric observations of nearby star
HD61421A to search for possible planets. The exposure time was calculated so
that area beyond 1.2 arcseconds from the central star is not saturated. The
observations were completed as planned, and no problems were reported. 

   1.8 Completed WF/PC-2 5766 (Determination of the Extragalactic distance
Scale - M-101 Carryover)

       The WF/PC-2 was used to make observations of the galaxy NGC-5457 (aka,
M-101) to help improve the estimate of the Hubble Constant. The observations
were completed as scheduled, and no anomalies were reported.

   1.9 Completed WF/PC-2 5461 (Low Luminosity Stars In Globular Clusters:
Cycle 4 High)

       The WF/PC-2 was used to make observations of the core region of
globular cluster M-4 to look for low luminosity stars.
A color magnitude diagram will be made for these low luminosity stars. The
observations were executed as scheduled, and no anomalies were noted. 

2.0 FLIGHT OPERATIONS SUMMARY:

   2.1 Guide Star Acquisitions: 

                            Scheduled Acquisitions : 6
                                        Successful : 6

                          Scheduled Reacquisitions : 12
                                        Successful : 12

   2.2 FHST Updates: 

                              Scheduled : 7
                             Successful : 7

   2.3 Significant HSTARs: None

   2.4 Operations Notes: 

       Operations at STGT continue to produce data inversions.

       The results of the second two dumps of data on ESTR #2 were:   
                first iteration,      16 bit slips
                second iteration,     0 bit slips

Engineers are analyzing all recent ESTR #2 dump data to determine the
reason(s) for the re-occurrence of the bit slips.

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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