(meteorobs)Fwd: P73 meteor shower on the night of May 22-23? -keep looking in case

[Swift, Wesley]

Any predictions on size distribution or Lunar impacts? 

Wes

-----Original Message-----
From: meteorobs-bounces at meteorobs.org [mailto:meteorobs-bounces at meteorobs.org] On Behalf Of David Stine
Sent: Wednesday, May 17, 2006 10:47 AM
To: Global Meteor Observing Forum
Subject: RE: (meteorobs)Fwd: P73 meteor shower on the night of May 22-23? -keep looking in case

Any comment on this from our experts, like Esko, Peter, and anyone else that would like to delve into this prediction.  How factual is it and what are the sources?  

David Stine

-----Original Message-----
From: meteorobs-bounces at meteorobs.org [mailto:meteorobs-bounces at meteorobs.org] On Behalf Of Michael Boschat
Sent: Monday, May 15, 2006 5:32 PM
To: Global Meteor Observing
Subject: (meteorobs)Fwd: P73 meteor shower on the night of May 22-23? - keep looking in case

Hi:

Posted to an astro list:

Jack Drummond of the Starfire Optical Range predicts that debris previously shed by the comet could bring us a meteor shower on the night of May 22-23. He writes:

"The closest approach of [Fragment C's] orbit to the Earth, 0.04 astronomical unit, occurs on May 22 at 20:00 UT. Thus the maximum of the meteor shower would be on May 22 or May 23, with a radiant of right ascension 208° [13h 52m] and declination +30° [in Canes Venatici, 12° north-northwest of Arcturus], and a geocentric velocity of 13.5 km/sec, which is quite slow." Unlike with many meteor showers, this radiant is highest in the sky as early in the night as 11 p.m. daylight saving time - so the meteors would be visible any time from dusk to dawn.

If the shower does peak around 20:00 Universal Time, that would be during evening for continental Europe,later at night for western Asia, and before dawn for Central and South Asia. But keep watch wherever you are; the shower, if any, could arrive many hours earlier or later than that.

--
Clear skies
===========
Michael Boschat
Royal Astronomical Society of Canada - Halifax Center Astronomy page:  http://www.chebucto.ns.ca/~aa063


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