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re: (meteorobs) Perseid question
Actually, we love elementery questions (that's a reply to Andrew
too)...they're the easiest to answer!
The IMO lists peaks at 0000 UT and 1200 UT as the peak times.
According to the Dutch Meteor Society, the traditional peak is at 1400 UT
on the 12th. They are the ones who have been trying to calculate the time
of these earlier dense filaments. Their original calculation was for 0100
UT on the 12th, later a different interpretation gave the time of 0500 UT.
Just to let you know, these predictions are based on various models of
meteor stream evolution trying to digest the visual observations of the
last 4 years or so. Now if we had more observers............
The useful point here is that anything can happen, from sunset to sunrise
that night. That's why I am sleeping all day on Sunday, starting
observations at sunset, and plan to observe till my eyes fall out. I only
hope I don't have to drive to Southern California to find clear skies!!
Wayne
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Original Text
From a0198616@sf28.dseg.tidot com (michael hann 214-952-3303), on 7/30/96
10:51 AM:
To: <meteorobs@latradedot com>
I'm new to this list and hope this question is not too elementary
or has already been answered.
The August Sky and Telescope predicts the first peak of the
Perseid shower to occur at roughly 0h UT August 12 and the
second, traditional, peak to occur roughly 12 hours later.
I don't recall the new peak and the traditional peak of the
Perseid shower being 12 hours apart.
Is S&T's prediction of Perseid peaks at 0h UT and 12h UT
on August 12 widely accepted?
Regards,
Michael Hann
a0198616@htisrv.dseg.tidot com