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Last updated on April 17, 2014 at 5:28 EDT
AO corrected active region
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AO corrected active region

February 28, 2005
AO corrected active region

Image of an active region with (top) and without (bottom) adaptive optics correction. The picture was taken at a wavelength of 550nm and the field-of-view is 45 arc seconds square. The AO was locked onto the dark structure in the center of the FOV.