(meteorobs) More on video Orionids from Colorado

[Bernd Brinkmann]

Hello Chris,

> It's snowing tonight, so that's the end of data collection for this 
> shower. But every night before this has been perfect- dry, transparent, 
> cloudless. Of course, there was some minor interference from the Moon in 
> the days before the peak, but in my experience that degree of 
> interference has almost no impact on my video meteor rates.
> 
> So what I saw was a most unusual shower this year. Activity before the 
> predicted peak was a bit lower than most years, the peak night showed a 
> significant drop in activity, and then the meteor count rose the next 
> two nights, with a strong peak of activity on 24 October. That behavior 
> is not consistent with predictions, nor with the rather meager visual 
> observations plotted on the IMO Orionids page.

But I think it corresponds very well with the fluxes of the IMO video network 
which can be seen here:
 
http://vmo.imo.net/flx/

> Anyway, I have no real explanation. My total counts seem high enough to 
> largely rule out a statistical effect. If anybody has any other ideas, 
> I'd be interested in hearing them.
> 
> My report, with the daily frequencies plotted, is at 
> http://www.cloudbait.com/science/orionid2011.html
> 
> Chris

Clear skies
Bernd

Bernd Brinkmann

Sternwarte Herne, MPC code A18
Herne, Germany

e-mail: info at sternwarte-herne.de
http://www.sternwarte-herne.de