(meteorobs) [radiometeoren] Re: Dust Trail of Eta Aquariids in 2013

Ed Majden epmajden at shaw.ca
Sun May 5 14:44:38 EDT 2013


    Did anyone visualy observe this shower?  If so, what was your magnitude 
distribution?
Thanks:
Ed
----- Original Message ----- 
From: "Chris Steyaert" <csteyaert at gmail.com>
To: <meteorobs at meteorobs.org>
Cc: <radiometeoren at vvs.be>
Sent: Sunday, May 05, 2013 1:47 AM
Subject: [radiometeoren] Re: (meteorobs) Dust Trail of Eta Aquariids in 2013


>   Hi All,
>
>
> For sure there was good 'radio' activity around 6h UT this morning for 
> European observers.
> See www.rmob.org/livedata/main.php  Observers Haik, Hvezdarna Vsetin, 
> Gansel.
>
> But it is too soon now to say if there was some sort of an outburst, or if 
> it was just the rise to the normal maximum. We'll know when more 
> observations come in, and we have a view on the complete activity.
>
> And the -1197 trail is for the Americas.
>
>
>         Thanks,
>
>         Chris
>
>
>
> At 07:15 04/05/2013, Mikiya Sato wrote:
>>Dea all,
>>
>>I am Mikiya Sato.
>>I found out that the old dust trails of Eta Aquariids (ETA) will
>>approach the earth in 2013.
>>
>>The outline is as follows.
>>
>>Trail   Date(UT)        S.Lon(deg) R(au)     Ej.V(m/s) fM
>>  -910   May.06 05:45    45.682     -0.0018   -2.12     0.095
>>  -910   May.06 06:27    45.710     -0.0017   -2.11     0.017
>>-1197   May.06 12:37    45.959     +0.0021   +3.44     0.013
>>-1197   May.06 21:19    46.310     -0.0026   +3.43     0.012
>>
>>In addition, -1403, -1333, -1265, -1128, -985, and -835 trail
>>also tend to approach the earth.
>>The peak may be continuous or broader because distribution of
>>the old dust has spread.
>>
>>But, the increase in the number of meteors is unknown about ETA.
>>I expect that they are about 2 times of the usual activity at
>>the maximum because this case is similar to Orionids from 2006 to 2010.
>>Detection of the increase is not easy since observation condition
>>of ETA is not so good in the Northern Hemisphere.
>>However, please take notice of the appearance this year.
>>
>>Best regards,
>>
>>Mikiya Sato
>>mail at kaicho.net
>
> 



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