(meteorobs) [IMO-News] The possibility of activity September epsilon Perseids

Alex Pratt alexander.pratt at btinternet.com
Thu Sep 12 06:37:06 EDT 2013

Hi all,
The meteor cameras of the NEMETODE network in the UK, operated by William Stewart (Ravensmoor, Cheshire) and Alex Pratt (Leeds, West Yorkshire) have confirmed the outburst of the September epsilon Perseids (SPE) on 2013 September 9-10.

Between 20:00 and 04:00 UTC the NEMETODE cameras recorded 23
 individual SPE meteors. A total of 14 SPEs were captured between 22:00 and 23:00 UTC, 3 of them were dual-station events. Capture and analysis were performed using SonotaCo's UFO program suite, with the following provisional results:

Solar Longitude of peak outburst, 167.2.

The 3 dual-station SPE meteors had absolute magnitudes -2.9, -2.7 and -1.0.

An average Vg of 64.6 km/s with a standard deviation of 4.8.

The radiant (corrected for Zenithal Attraction) was at RA 49.3 Dec  39.4.

Orbital elements:
a        8.494
q        0.708
e        0.917
p        24.763
peri    247.698
node  167.190
incl    140.018

Best regards,

     Alex Pratt, William Stewart

arp at nemetode.org
ws at nemetode.org


 From: Josep Maria Trigo <trigo at ieec.uab.es>
To: imo-news at yahoogroups.com 
Cc: Global Meteor Observing Forum <meteorobs at meteorobs.org>; Hiroshi Ogawa <h-ogawa at amro-net.jp>; hiro7sugimoto at max.odn.ne.jp 
Sent: Thursday, 12 September 2013, 9:56
Subject: Re: [IMO-News] The possibility of activity September epsilon Perseids
Hiroshi Ogawa wrote:  >Hello all, 
>Mr. Hirofumi SUGIMOTO (JAPAN) observed unusual activity 
>around 22:10(UT) 9th September using radio meteoro observation. 
>He also analyzed RMOB data. 
>As a result(using worldwide radio data), 
>it has a possibility of Septermber epsilon Perseids. 
>You can see the latest information as following. 
> http://www5f.biglobe.ne.jp/~hro/Flash/2013/SPE/index.html 
>Since it is impossible to find the radiant from 
>(foward-scattering) radio observation data, 
>this result means the possibility of this meteor shower activity. 
>Therefore, it also has the possibility 
>that this activity was not caused by this meteor shower. 
>  Dear Hiroshi,  Yes, we can confirm, using the data recorded from 25 video stations 
of the SPanish Meteor Network 
(www.spmn.uji.es) operated by different colleagues around Spain, that 
the activity outburst over Europe is 
associated with the Epsilon Perseids. We also detected a minor outburst 
of this radiant on 2012, but this 
year's activity has been much stronger and exhibiting bright fireballs.  Cheers, 
***************************************************  Dr. Josep M. Trigo-Rodríguez  Tenured Scientist at the Institute of Space Sciences (ICE, CSIC-IEEC)  P.I. ICE Group on Meteorites, Minor bodies, and Planetary Sciences  Group research goals: http://www.ice.csic.es/view_research_line.php?RID=16  Campus UAB, Sciences Faculty  Tower C-5, even, 2ond floor  08193 Bellaterra (Barcelona), SPAIN  Homepage: http://www.spmn.uji.es/ESP/trigo.html  E-mail: trigo at ice.csic.es  Telephone: +(34)935814778 ;  Fax: +(34)935814363 
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