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RE: (meteorobs) Some Perseids above annual in 2003?
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To: <meteorobs@atmob.org>
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Subject: RE: (meteorobs) Some Perseids above annual in 2003?
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From: "Lyytinen Esko" <Esko.Lyytinen@MINEDU.FI>
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Date: Thu, 7 Aug 2003 10:45:00 +0300
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Delivered-To: meteorobs-mhonarc2@galaxy.atmob.org
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Delivered-To: meteorobs@atmob.org
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Reply-To: meteorobs@atmob.org
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Sender: owner-meteorobs@atmob.org
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Thread-Index: AcNctJAAx/3FycMVTmqeFAhXqpzfDQAAkOWQ
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Thread-Topic: RE: (meteorobs) Some Perseids above annual in 2003?
>Hi Daniel and all,
>> > This is a misunderstanding, although indeed something unusual did
>> > happen on 12/13 August 1997.
>>
>> > I think Daniel mistakes with 11/12 August 1997.
>>
>> Something is mixed up, but not a lot to mistake about this line:
>>
>> Night 12/13 started with cirrus bands over greater parts of the
>> country.
>The peak, Esko is referring to was near 8h UT on August 12. This wasn't
>seen from the Netherlands. Nevertheless, rates were also fine on Aug 12/13 seen from Europe.See
> http://www.imodot net/articles/shower/per97.html
>for the full picture of the 1997 Perseids from globally collected data.
This is correct what Raines says and you can see a dip in the population index plot at the location of the maximum:
"A strong decrease of r down to r=1.80±0.04 can be seen around sol approx. 139.7°, where we expect the first, sharp activity peak to take place."
Esko
>Best wishes,
>Rainer
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