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Observation Opportunities During Leonid Shower

HST Observation Opportunities During the Leonid Meteor Shower

During the peak of the Leonid meteor shower on November 17, 1998, HST will be pointed near the anti-radiant for ten hours. Anyone who is interested can submit ideas to STScI for scientific observations during this time. Please submit your ideas as a Director's Discretionary proposal by September 30, 1998, 8 p.m. EDT.

Telescope Pointing and Targets within the Field of View

The center of the WFPC2 field must be pointed within one degree of RA=22 04 48, DEC=-23 24 (J2000). At the time of the observations, the nominal V3 position angle is 248.3 degrees, and the STIS/CCD field is centered at RA=22 05 08.6, DEC=-23 25 59. To see what objects lie within this region, interested observers can go to the NED or SIMBAD web sites and request a map of the field. Alternatively, you can go to Simbad_Leonid_FOV, for a SIMBAD listing and map of objects within a one-degree radius of the above WFPC2 center coordinates.
Ninety stars and extragalactic objects have been identified in this field. The extragalactic objects include QSOs, IR, optical and radio-loud galaxies and galaxy groups. There are no HST observations in the archives for objects in this field.
A Digitized Sky Survey of a one-degree-square image of this field with an HST FOV overlay also is available at DSS_Image.

Observation Restrictions

At the time these observations occur, most of the orbits will pass through the South Atlantic Anomaly (SAA). Therefore STIS MAMA modes are NOT available. As this is after the nominal NICMOS end-of-science, we are most interested in observations using WFPC2 or STIS CCD modes.
  • Ten hours of telescope time translates into six orbits with a non-SAA visibility of ~30 minutes each.
  • The observations should be as simple and straightforward as possible.
  • No special orientations or timing may be requested.
  • No connections of any kind to observations outside this ten-hour period will be allowed.
  • No parallel observations may be requested. STScI plans to add parallels from existing programs if they fit.
    STScI staff scientists, working with the scientists who provided the idea, will write the detailed Phase II proposals.

    Data Dissemination

    Data will be processed using routine calibrations and be made immediately available to the community via the HST archive. There will be no proprietary data rights and no special grant funding opportunity.

    Where to Submit Ideas

    Please submit your ideas to Director's Discretionary time.
    For additional information or questions please contact help@stsci.edu
    Anuradha Koratkar, koratkar@stsci.edu