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18 - The Ursids

Published online by Cambridge University Press:  06 July 2010

David H. Levy
Affiliation:
Jarnac Observatory, Arizona
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Summary

I shall fall

Like a bright exhalation in the evening,

And no man see me more.

With so much attention being paid to the Geminids peaking on December 13, we often forget the last major shower of the year, the Ursids. Discovered by the famous British astronomer William Denning around 1900, the shower was considered minor until the extraordinary night of December 22, 1945. Antonin Becvar was observing at the Skalnate Pleso Observatory in Czechoslovakia, and it was not hard to notice rising numbers of meteors coming from the north. He arranged for photographs to be taken and proper counts to be made of meteors coming from a radiant near Beta Ursae Minoris, the second brightest star in the Little Dipper after Polaris. A few years later Becvar became famous as the author of several star atlases, including the Skalnate Pleso Atlas of the Heavens, which served for most of the second half of the twentieth century as the leading star atlas for serious astronomers. Becvar also headed a most serious comet search program from Skalnate Pleso, which resulted in the discoveries of several comets from that site.

After his rediscovery of the Ursids, observations visual, photographic, and radar came within a few years. They are now considered a respectable meteor shower, the most recent of the major showers to be detected. Activity varies from year to year. Some years the rates may be below five per hour, but some years are far more favorable.

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Publisher: Cambridge University Press
Print publication year: 2007

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  • The Ursids
  • David H. Levy
  • Book: David Levy's Guide to Observing Meteor Showers
  • Online publication: 06 July 2010
  • Chapter DOI: https://doi.org/10.1017/CBO9780511735196.019
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  • The Ursids
  • David H. Levy
  • Book: David Levy's Guide to Observing Meteor Showers
  • Online publication: 06 July 2010
  • Chapter DOI: https://doi.org/10.1017/CBO9780511735196.019
Available formats
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Save book to Google Drive

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

  • The Ursids
  • David H. Levy
  • Book: David Levy's Guide to Observing Meteor Showers
  • Online publication: 06 July 2010
  • Chapter DOI: https://doi.org/10.1017/CBO9780511735196.019
Available formats
×