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September 3, 2016 Auroras

Grand Rapids, MN

For the third night in a row, a high speed stream of solar wind got the auroras going. I decided to stay close to town and shoot for a bit but not stay out too late as I had a drive the next day.


Auroras are getting active at McKinney Lake at 10:33 PM. 5 seconds at f1.4, ISO 1600.


10:53 PM: the auroral arc brightens. 5 seconds at f1.4, ISO 1600.


A substorm begins at Prairie Lake at 11:13 PM. 5 seconds at f1.4, ISO 1600.


Middle of the substorm at Prairie Lake. 2.5 seconds at f1.4, ISO 1600.


Middle of the substorm at Prairie Lake. 1 second at f1.4, ISO 3200.


The auroras start to dim a little. 4 seconds at f1.4, ISO 1600.


Some of the last columns in the substorm. 6 seconds at f1.4, ISO 1600.

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