(meteorobs) Geminid activity

tom6740 tom6740 at yahoo.com.cn
Wed Dec 15 10:15:22 EST 2004


Hi Pierre,
  I think Geminids in these two years are quite interesting. I 
observed it last year, for three days, it's clear that there're two 
main peaks. Several days after, the anlysis fron Japan confirm my 
thoughts. I made an analysis which based on several Chinese 
observers' report too, and confirm one peak of the two, which at 
Dec.14, 18-21UT, the ZHR could reach 200-250 from the two analysis.
  It's more interesting these year, though the weather was not good 
in my site, some friends told me that there were more than one 
meteor per minute.
Best regaths,
Quanzhi

--- In meteorobs at yahoogroups.com, Pierre Martin <dob14.5 at s...> wrote:
> Hi Jure,
> 
> I also think that there might be maybe a unusual structure in the 
> Geminids this year.  The IMO data already shows a strong dip in 
rates 
> at Dec 14.233 which seems to support my memory of a significant 
lull in 
> the shower at the time (enough that I thought the Geminids were 
almost 
> all gone including bright meteors.) .  But oddly, the rates seemed 
to 
> recover nicely later on in the morning and the bright meteors 
appeared 
> too.
> 
> This is only recalling from memory as I haven't decoded the data 
yet, 
> will do so as soon as I can later today.  And then see if this can 
be 
> confirmed.  Maybe it was just a period of very faint meteors too.
> 
> Did anyone else notice the effect over the east North America on 
the 
> 13/14th?
> 
> Clear skies!
> 
> - Pierre
> 
> 
> 
> On 15-Dec-04, at 6:52 AM, Jure Atanackov wrote:
> 
> > In light of (preliminary) ZHR data for this year's Geminids and 
> > reports* that
> > have been sent to 'meteorobs', can anyone argue that there is 
> > significant
> > evidence for the decline of overall Geminid activity as compared 
to 
> > the previous
> > decade?
> > * - I don't think I've ever seen a report with 83 Gem/h one full 
night 
> > before
> > the peak!
> > CS!Jure
> >
> > ____________________
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> 
> ---
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