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Last updated on April 21, 2014 at 1:20 EDT
Profile of an Active Region
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Profile of an Active Region

June 14, 2012
As an active region rotated into view, SDO had a fine profile view of its magnetic loops above it breaking apart and reconnecting (Jan. 15-18, 2011). The images were taken in extreme ultraviolet light. This same region was quite active several days prior to this period when viewed from the STEREO (Behind) spacecraft, but it seems to have quieted down some. Active regions are areas of intense magnetic activity that often appear as sunspots when viewed in filtered light.