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(meteorobs) Fwd: [IMO-News] Spanish Report Leonids 2002
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Clear skies,
Lew Gramer <owner-meteorobs@atmob.org>
> -----Original Message-----
> From: Josep Maria Trigo i Rodriguez [mailto:trigo@exp.uji.es]
> Sent: Wednesday, November 20, 2002 12:30 PM
> To: IMO NEWS
> Subject: [IMO-News] Spanish Report Leonids 2002
>
> Dear colleagues,
>
> Only a short e-mail redunding in Leonids 2002 activity
> seen from the ground, in this case from Spain. We observed
> the outburst of the Leonids under different conditions
> depending the regions. From Catalonia and Castellon the
> storm was observed without clouds (see first images on:
> http://www.spmn.uji.es/ESP/noveda28.html
>
> From Huelva we have short good intervals between clouds
> and rain. The activity increased around 3:50 UT to a short
> maximum around 4h +- 10 minutes UT when probably reached
> ZHR=1500. Remembering the 1999 Leonid storm observed by our
> team we think that this year the activity was around two
> times more low. Other stations in Malaga and Almeria had
> similar cloudy skies.
>
> We will publish just these 1999 Leonid results on Earth,
> Moon & Planets 91:2 (October 2002). In this work we present
> photographic multi-station observations of 18 Leonid meteors
> obtained by our young network. For each meteoroid we derived
> the radiant position, trajectory data and orbital elements.
> Our idea was compare the theoretical radiant positions and
> orbital elements of particles ejected from 55P/Tempel-Tuttle
> in 1899 using Dr. David Asher estimations. We discuss there
> the role of mean velocity imprecision in the dispersion of
> some orbital parameters, specially the semimajor axis.
> Finally, by applying the dust trail theory we have adjusted
> the 1999 Leonid storm orbits to a defined semimajor axis
> value to test the quality of photographic observations. We
> can provide more information on our network. If you are
> interested please write us.
> ********************************************
> Dr. Josep M. Trigo-Rodriguez
> Astrophysicist
> Dept. Experimental Sciences
> SPANISH FIREBALL NETWORK
> Campus del Riu Sec (E.S.T.C.E)
> University Jaume I
> 12071 Castellon (SPAIN)
> Phones: (964) 728057- 282968
> FAX: (964)285161
> Homepage: http://www.spmn.uji.es/
> E-mail: trigo@exp.uji.es
> *********************************************
>
>
>
> [Non-text portions of this message have been removed]
>
> http://groups.yahoo.com/group/imo-news
>
> --------------------------------------------------------------
> ----------
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