(meteorobs) [radiometeoren] High activity Feb 5 10h UT

[Christian Steyaert]

The promised link:

https://www.dropbox.com/s/5h6avoihy1stpnw/201502051030_Antw.jpg?dl=0


  Chris


2015-02-16 8:54 GMT+01:00 Christian Steyaert <csteyaert at gmail.com>:
>  Was waiting a week for optical confirmations, but none came...
>
> Attached the heavens-above generated sky map (will post a link to that
> file separately) at the moment of the high activity. In principle the
> radiant can be anywhere on it, but normally not at low elevation.
>
> The FED's are a possibility. But that radiant was well placed during
> night time for a large part of North-America. However, we haven't
> heard of any photographic/video recordings.
> So either the weather was bad, or the radiant isn't correct.
>
> Some activity is seen in the radio observations of Bob Mobile and Stan
> Nelson. It is not seen in those of Jeff Brower.
>
> The FED radiant was at low elevation or below the horizon for Japan.
>
> Any confirmation, positive or negative, is welcome.
>
>
>         Thanks,
>
>         Chris
>
>
>
> At 09:18 08/02/2015, Felix Verbelen wrote:Hi Chris and all,
>
> Yesterday I sent a message to our local list that could also be of
> some interest to others (translation follows):
>
> --- translation ---
>
> As Chris already stated, and as can be seen on RMOB, the eruption came
> mainly between 10 and 12 UT. - see also the attached plots of raw
> manual counts here at Kampenhout (B).
>
> Between 10 and 12 almost only rather long duration diffuse reflections
> were prominent (see attached series of examples).
> In the past these type of reflections were mainly produced by showers
> who's radiant was located in the vicinity of the local zenith.
> A possible candidate would be a (late) eruption of the February Eta
> Draconids (*), but this is of course to be confirmed.
> '------------------
>
> Kind regards.
>
> Felix
>
> (*) http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?2011JIMO...39...93J&amp;data_type=PDF_HIGH&amp;whole_paper=YES&amp;type=PRINTER&amp;filetype=.pdf
>
>
>
> Christian Steyaert schreef op 2015-02-05 om 21:31:
>
> Lucas Pellens informed us on  radioastronomie.be about higher than
> normal number of reflections this morning around 10h -11h UT.
>
> Epsilons - typical for a stream - were also observed by Willy Camps.
>
> Looking at http://www.rmob.org/livedata/main.php, many observers (e.g.
> most of the GRAVES observers) have increased activity then. There was
> no solar or geomagnetic outburst at that moment.
> So maybe there was a short meteor outburst.
>
> I am not aware of reasonable large streams in this period of the year.
> Nor did I check Peter Brown's CMOR site, so you can still be the first
> ;-) If it would not show up on the Canadian radar, it can still be
> because of the radiant not being well placed (or even below the
> horizon).
>
> Finally something 'special' during this quiet period of the year?
>
>
>     Regards,
>
>     Chris