[AZ-Observing] Re: Rare Aurigid Meteor Shower - Promised pics
- From: ketelsen@xxxxxxxxxxxxxx
- To: az-observing@xxxxxxxxxxxxx
- Date: Sat, 1 Sep 2007 21:52:27 -0700 (MST)
Hi Chris-
I don't know the mechanism, but the trails start out as green when they
are fastest first hitting the upper atmosphere. An oxygen reaction? I
believe I've seen similar color from Leonids, that also hit us pretty
fast...
-Dean
> Dean, stunning images. I see you have recorded the
> red to green transition of color. I assume it indeed
> goes from a dull red to bright green in flight, so we
> can tell the direction of travel in the photos.
>
> Chris
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