CaK with Meade ETX60
Taken by Apollo Lasky on October 9, 2013 @
Naperville, IL
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Details:
After modifying a meade etx60 to accept a 2" focuser, I was able to test my home made calcium filter at a very fast focal ratio, F5.6. Although The images were blurry due to what I suspect to be a collimation issue, this result turned out okay.
Photographer's website:
No URL provided.
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