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HUBBLE SPACE TELESCOPE

DAILY REPORT #1508

PERIOD COVERED: 0000Z (UTC) 10/31/95 - 0000Z (UTC) 11/01/95

Daily Status Report as of 305/0000Z

1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED:

1.1 Completed GHRS/1 5950 (Spectroscopy of the Three UV Brightest Known =
High-Redshift Quasars)

The High Resolution Spectrograph (Side One) was used to make =
ultraviolet observations of quasar HS-1103+64 which is known to be one of =
the brightest high redshift quasars. The objectives are to measure the C, =
N, O, and Ne abundances in the halos of early galaxies, to measure the =
intensity of the ionizing UV background, to measure He I, and to study the =
Lyman-Alpha forest. The observations were completed as scheduled, and no =
anomalies were reported.

1.2 Completed WF/PC-2 5924 (Nuclear Emission Line Region Associated =
with Compact Flat Spectrum)

The WF/PC-2 was used to make spectrographic observations of the =
nuclear emission region of galaxy NGC-5675 to study its compact flat =
spectrum. There is evidence that this jet-produced AGN is powered by =
accretion disks feeding massive black hole. The observations were =
executed as schedule, and no anomalies were noted.

1.3 Completed FGS 6268 (The Parallax of NGC-6853)

The FGSs were used to make astrometric observations in order =
measure the parallax to NGC-6853 (stars 48, 52, 29 and 63) one of the =
nearest planetary neabulae. The observations were executed as planned, =
and no problems were reported.

1.4 Completed WF/P-2 6254 (GTO Pure Parallel Program - Cycle 5)

The WF/PC-2 was use to make random, long exposures of high galactic =
fields taken in parallel with the prime science observations to obtain a =
random sample of galaxies. The observations were executed as scheduled, =
and no anomalies were noted.

1.5 Completed WF/PC-2 5906 (Star Counts and Color-Magnitude Diagrams of =
Four Bright Globular Cluster)

The WF/PC-2 Camera was used to make multi-color images (V and I =
Bands) of a globular cluster located in the Andromeda Galaxy (M-31) in =
order to make a color-magnitude diagram of the cluster. The observations =
were executed as scheduled, and no anomalies were noted.

1.6 Completed GHRS/2 6249 (Observations of Interstellar Oxygen)

The High Resolution Spectrograph (Side Two) was used to make =
spectrographic observations of star HD5394 in order to study interstellar =
oxygen in the line of sight to that star. It was found previously that =
the oxygen abundance in the direction of Orion is only half of the solar =
abundance. The observations were completed as scheduled, and no anomalies =
were noted.

1.7 Completed WF/PC-2 6215 (Saturn's Aurora and Airglow)

The WF/PC-2 was used to make ultraviolet observations of the planet =
Saturn in order to study its airglow and auroral regions. The emission of =
Lyman-Alpha, H2 Lyman and the Werner bands were imaged. The observations =
were executed as scheduled, and no anomalies were noted.

1.8 Completed Four Sets of WF/PC-2 6188 (WF/PC-2 Cycle 5 Calibration: =
Dark)

The WF/PC-2 was used to make internal dark calibration images. The =
observations were completed as scheduled, and no problems were reported.

1.9 Completed WF/PC-2 6250 (WF/PC-2 Cycle 5 Calibration: Internal =
Monitor)

The WF/PC-2 was used to make a series on internal calibration =
observations. Internal flats, biases, and K-Spot calibration images were =
taken. These observations are designed to monitor the health of the =
cameras. The observations were executed as scheduled, and no anomalies =
were noted.

1.10 Completed WF/PC-2 6235 (High Resolution Imaging of Radio Galaxies =
at Redshift Z~1.0)

The WF/PC-2 was used to make observations of faint radio galaxy =
3C49 which is known to have a redshift of about one. This is to attempt =
to determine the cause of the alignment of the blue-excess along the radio =
axis. The observations were executed as scheduled, and no anomalies were =
noted.

1.11 Completed WF/PC-2 6187 (WF/PC-2 Cycle 5 Calibration: Earth Flats)

The WF/PC-2 was used to make Earth streak flat calibration images. =
These streak flats will be used to produce flat fields, to map the OTA =
illumination pattern and, in combination with other data, to produce new =
superflats. The observations were completed as planned, and no problems =
were reported.

1.12 Completed Two Sets of WF/PC-2 6119 (Snapshot Survey for Companions =
of Planetary Nebula Nuclei)

The WF/PC-2 was used to make snapshot survey observations of =
planetary nebula NGC-6853 to study its nuclei and to look for possible =
companions. The observations were executed as scheduled, and no anomalies =
were noted.

2.0 FLIGHT OPERATIONS SUMMARY:

2.1 Guide Star Acquisitions:

Scheduled Acquisitions : 8
Successful : 8

Scheduled Reacquisitions : 7
Successful : 7

2.2 FHST Updates:

Scheduled : 20
Successful : 20

2.3 Operations Notes:

There were no reported operational problems.

3.0 SIGNIFICANT FORTHCOMING EVENTS:

Nothing at this time.

/DMH
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