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October 4, 2016 Auroras

Grand Rapids, MN

Bz went south with what I remember was a high speed stream event.  Whatever the cause, the auroras were some of the best of the fall season this evening.  Again, I went to my "green" shooting location.

Nice Auroras
The initial auroral band when I arrived and started shooting.
Nice Auroras
I decided to set at the end of the dock for a while and check data on my phone.
Nice Auroras
Substorm number one begins.
Nice Auroras
Auroras expand and start to get dimmer.
Nice Auroras
They are starting to fade but are still looking good.
Nice Auroras
Rather than proceed to the "pulsating blob" phase, the green arc re-establishes itself.
Nice Auroras
Substorm number two, which is more intense than the first one.
Nice Auroras
Still growing brighter.
Nice Auroras
The show continues.
Nice Auroras
Time to shift the view a little more into the sky.
Nice Auroras
Still expanding but getting dimmer.  The pulsating blob phase is now beginning.
Nice Auroras
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