HUBBLE SPACE TELESCOPE

                              DAILY REPORT #1353

PERIOD COVERED:  0000Z (UTC) 03/22/95 - 0000Z (UTC) 03/23/95

Daily Status Report as of 082/0000Z

1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED:

   1.1 Completed FOS/RD 5433 (Testing the AGN Paradigm in Nearby Seyfert
Galaxies: Cycle 4 High)

       The Faint Object Spectrograph (Red Side) was used to make spectral
observations of galaxy NGC-3031-NU. The spectra was obtained at several
positions both on and slightly off the nucleus of the galaxy. A wavelength
calibration image was also taken. The observations were completed as planned,
and no anomalies were reported. 

   1.2 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. 

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

       The WF/PC-2 was used to make images of galaxy NGC-5457 to be used in
measuring the periods of Cepheid variable stars within the galaxy. The
observations were completed as planned, and no anomalies were noted.

   1.4 Completed FOS/RD 5532 (FOS Dark Monitoring)

       The Faint Object Spectrograph (Red Side) was used to monitor the
instrument's background (dark) images. The observations were executed as
scheduled, and no anomalies were noted. 

   1.5 Completed 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. 

   1.6 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.

2.0 FLIGHT OPERATIONS SUMMARY:

   2.1 Guide Star Acquisitions: 

                            Scheduled Acquisitions : 9
                                        Successful : 9

                          Scheduled Reacquisitions : 3
                                        Successful : 3

   2.2 FHST Updates: 

                              Scheduled : 13
                             Successful : 13

   2.3 Significant HSTARs: None

   2.4 Operations Notes: 

       There were no significant problems reported.

       Yesterday, an abbreviated ESTR#2 diagnostics test was conducted.
Science fill data, at 1.024 Mbps, were recorded on track 1 from tape position
BOT to approximately 40%, and on track 2 from 40% to EOT. Full playbacks were
executed on two occasions.  Preliminary  evaluations from the DCF show no bit
slips.  Further analysis, based on data extractions of motor current and
up-to-speed flag  parameters, is proceeding.  Additional playbacks of the
data are also planned.

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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