HUBBLE SPACE TELESCOPE

                              DAILY REPORT #1368

PERIOD COVERED:  0000Z (UTC) 04/12/95 - 0000Z (UTC) 04/13/95

Daily Status Report as of 103/0000Z

1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED:

   1.1 Completed Two Sets of WF/PC-2 5397 (Determination of the Extragalactic
Distance Scale: Cycle 4 High)

       The WF/PC-2 was used to make images of galaxies NGC-4725 and NGC-4414
to be used in measuring the periods of Cepheid variable stars within the
galaxies. The observations were completed as planned, and no anomalies were
noted.

   1.2 Completed Three Sets of FOS/RD 5535 (Cycle 4 Internal Wavelength
Calibration)

       The Faint Object Spectrograph (Red Side) was used to make internal
calibration observations to monitor the stability of the wavelength scale for
different gratings. The observations were completed as planned, and no
problems were reported.

   1.3 Completed Two Sets of GHRS/2 5601 (GHRS ECH-A Wavelength Monitor:
Cycle 4)

       The High Resolution Spectrograph was used to make Echelle-B spectral
calibration observations using lamp #2. The observations were executed as
scheduled, and no anomalies were noted. 

   1.4 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.

   1.5 Completed WF/PC-2 5629 (WF/PC-2 Cycle 4 Photometric Calibration
Monitor 1C: 4-Chip STD in F170W)

       The WF/PC-2 was used to make photometric calibration observations of
the ultraviolet standard star GRW+70D582. The observations were executed as
scheduled, and no anomalies were noted. 

   1.6 Completed WF/PC-2 5672 (Ages For The Outermost Globular Clusters)

       The WF/PC-2 was used to make both deep and short exposure 
observations of the central regions of globular cluster PAL3-Centaurus. This
cluster was chosen as it represents an early staging in the formation of the
galaxy. The observations were executed as scheduled, and no anomalies were
noted.

2.0 FLIGHT OPERATIONS SUMMARY:

   2.1 Guide Star Acquisitions: 

                            Scheduled Acquisitions : 4
                                        Successful : 4

                           Scheduled Reacquisitions : 9
                                         Successful : 9
  2.2 FHST Updates: 

                              Scheduled : 7
                             Successful : 7

   2.3 Significant HSTARs: None

   2.4 Operations Notes: 

       The STGT data inversions continue, as do the bit slips while dumping
ESTR #2.

       Due to problems with the UPS, the backup power system, both the ESS
and TALOS were unavailable for slightly over eight hours last night.

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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