Massive Sunspot Today in Calcium K Light
Taken by Chris Schur on July 13, 2017 @ Payson, AZ
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Date Taken: 2017:07:13 11:06:18
  
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Stunning view in both visual white light and calcium k light today. Seeing a bit mushy, but stacking 25/1200 frames did the trick. AR152 Refractor and 5x powermate, Lunt B600 filter.
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