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March 31, 2017 Auroras

Grand Rapids, MN

For the fifth day in a row, a high speed stream of solar wind buffeted Earth's magnetosphere.  This evening, the auroras were brighter than typically is the case this late into the high speed stream.  I decided to bike down to the Forest History Center again, where I photographed the auroras for several hours.

Nice Auroras
The initial substorm immediately after I arrived.  I was trying to frame the tree in it.
Nice Auroras
I re-pointed the camera, but I'm not getting enough of the water reflection here.
Nice Auroras
Now, I'm framed pretty nicely on the dock and trees, but my camera bag is there.
Nice Auroras
I took away the camera bag and got this shot.
Nice Auroras
Back to landscape mode.
Nice Auroras
The auroras dimmed, but a faint band of aurora "sprites" materialized.
Nice Auroras
A third substorm for the evening.  This one was actually much brigher than the others, but my shutter speed was faster.
Nice Auroras
Aurora "tornado" on the left.

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