German astronomer Hans Joerg Mettig has converted some of the best images into polar projections showing the movement and dispersion of the cloud. I'm not sure if these are the "best" of all the photos out or Wesley's excellent shots. Whatever they are, they make an impressive little animation.
![](http://www.spaceweather.com/swpod2009/09aug09/polar_med.gif?PHPSESSID=orhbofit8a3ho0ujkrn3gnm5o6)
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