Sun, AR11520
Taken by Andrea Salvatore on July 14, 2012 @ Cesena, FC, Italy
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Date Taken: 2012:07:14 16:02:14
 
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AR11520 is about to exit from the front side of the Sun and its still very nice to see and shot. This is a quite large mosaic, processed in black and white, colour and negative to give a more 3D effect.

I used a Celestron Omni 120 XLT refractor with Coronado PST Etalon and blocking filter. To record the videos I used an Imaging Source DMK41 CCD camera at a focal length around 2250mm.
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