Thread: Solar observing
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Old 17-10-2007, 07:29 AM
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[1ponders] (Paul)
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Here is one method here that doesn't use the original PST Etalon http://www.dd1us.de/Downloads/Modifi...0PST%200v3.pdf

Lots of images here http://www.astrosurf.com/re/sun.html and you might find more details here http://www.astrosurf.com/re/telescopes.html
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