Quote:
Originally Posted by tonybarry
But yes, it is rare (i.e. decades apart).
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That's not a coincidence - the best chance is around solar maximum (11 years apart) and 2014 is pretty much the peak of the current cycle. It's no surprise to see an event like the one that occurred yesterday.
I was very lucky to see that one in 1989, probably one of the best ever this far north in my lifetime.