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(meteorobs) Re: What was Radiant in Ursa Major?
The apex sources are not meteor showers at all. They are one of the
constant sources of sporadic (random) meteors. The centers of these
sources lie approximately 15 degrees north and south of the ecliptic, 90
degrees west of the sun. On the night of the Leonid maximum the northern
apex source was positioned less than 10 degrees from the Leonid radiant.
It could not have produced any activity seen from Ursa Major. I would
expect any further reports of Leonid activity to be actually members of
the northern apex source as they appear very much like Leonid meteors.
Clear Skies!
Robert Lunsford
Jim and Jan Gamble wrote:
> Northern Apex, John. A rogue meteor shower which has been observed and
> reported upon for years but which the IMO will not recognize as such.
> Instead, it insists on observers reporting NA events as "sporadics". I
> recorded about half dozen "sporadics" this year on my all sky camera system,
> many of which were above -10 and one of which was a -13.1. Just FYI.
> Regards,
> Jim Gamble
> El Paso, Tx Station-Sandia Meteor Detection Network
> All Sky Camera System
> 31.47N 106.18W
> gamble@peoplepc.com
> http://www.geocities.com/desert_lights
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