Have the Leonids Returned to Being a Minor Shower?…
2009 may give us one more year of above normal activity from the Leonids before the shower returns to the average rate of 10-15 per hour typical of the years between perihelia of comet 55P/Temple-Tuttle. In fact there may be some periods of enhancement this season, but none can be seen from North America and the moon will be an overwhelming presence. It is a grim outlook for the Leonids in 2008. The nodal crossing, which is the time of the traditional peak, occurs during the early morning hours of the 17th. However, the 78% illuminated moon rises before the radiant and by the 19th will practically be on top of it. Jeremie Vaubaillon and Mikhail Maslov have predicted possible increased activity from old trails, but for North America, both occur before the radiant has cleared the horizon for the east coast, while it is still daylight for the west coast. At least for eastern Europe and Asia the radiant will be up, though the moon will be just as much of a hindrance there. Perhaps their be
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