Vídeo Clip - Timelapse footage of a surprise aurora on the night of 24th April 2012, easily visible as far south as Rapid City, South Dakota, USA ...
. The aurora borealis is normally seen much further north than this - Rapid City is at a latitude of 44 degrees North. Auroral displays this far south are herald the coming solar maximum in 2013, the period when the sun is most active.
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