Auroras
Taken by Asko Aikkila on February 19, 2017 @
Kuusamo, Finland
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Details:
Night 18/19.2. seemed to be guite silent concerning auroras. Auroral oval was very weak over northern Finland and K-index was low.
But Solar wind was about 540 km/s, this gave some hope of auroras. So, I went out and waited. Most of time I could see only very calm auroras belt on the northern sky. But all at once for a moment auroras danced vividly. I could distinguish some very bright blue jets and purple red segment above green yellow.
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