September 7, 2015 Auroras
Chippewa National Forest
Yes. You guessed it. I high speed stream of solar wind (we rarely get solar flares any more) swept past Earth, bringing auroras to northern Minnesota. I awakened in the middle of the night and could not sleep any further, so I decided to hunt auroras.
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| Proton arc and Milky Way, looking west. The western edge of the main auroral oval can be seen as the green glow on the right. |
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| Auroral structure appears on the northern horizon. |
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| The moon rises while the auroras dance. |
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| A brighter auroral oval later in the night. 3:17 AM on Labor Day. |