Found this article on the Bad Astronomy website.

http://blogs.discovermagazine.com/badastronomy/2011/06/29/awesomely-weird-expanding-halo-of-light-seen-from-hawaii/#more-33949

If you don't agree with his explanation, then make up your own. I'm sure someone will believe it. 

I saw this at Starship Asrterisk, the same as the article's author (whom I'm sure is Phil Plait), and having read all the opinions and evidence, I pretty much have to agree with the "Minuteman Theory". It certainly was interesting, whatever it's cause.