The Orionid meteor shower, usually shortened to the Orionids, is the most prolific meteor shower associated with Halley`s Comet. The Orionids are so-called because the point they appear to come from, called the radiant, lies in the constellation Orion. Orionids are an annual meteor shower which last approximately one week in late-October. In some.
Found on http://en.wikipedia.org/wiki/Orionids
Meteor shower. Most active day is Oct.20. Fast meteors with fine, often persistent trains.
Found on http://www.delscope.demon.co.uk/astronomy/tables01.htm
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