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The Sun in H-alpha (31-08-2008)


Jurgen de Boer

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Posted
  • Location: Amersfoort, Netherlands
  • Location: Amersfoort, Netherlands

    The photo was made through a MEGREZ 90mm APO F/6.9 focal lenght 621mm, a Thousand Oaks Optical H-alpha filter 0.9 angstrom (both from a friend of mine :D ) and a Canon EOS 350D.

    Exposure time 1/20sec at 100 ISO.

    2008-08-31017.jpg

    2008-08-31017a.jpg

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