September 1, 2016 Auroras
Itasca County, MN
A corotating interaction region had started to affect Earth's magnetosphere during the day, and auroras were a good bet during the evening. Bz was south from 5 to 10 nT, and solar wind speeds were increasing. Because of the new moon, I decided to head north of town to get away from the city lights. I chose Pughole Lake as my shooting location, as I've done several times in the past, and then moved later to Johnson Lake.
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| The Milky Way and green on the horizon. |
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| Faint, colored columns begin to appear at Prairie Lake. |
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| View of the Milky Way from the Pughole Lake boat landing. |
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| Looking to the northeast from the Pughole Lake landing, the auroral arc begins to intensify. |
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| It's getting quite bright now. |
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| A very bright substorm emerges, and the auroras begin to dance around very quickly. |
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| The structures are moving very quickly here. |
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| Things maybe fade a little bit, but they are still pretty bright. |
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| Pughole Lake. |
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| More structure begins to fill the frame. |
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| Getting brighter again. |
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| Some color appears. |
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| Johnson Lake. |
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