Thread: Dr. Erhard Hänssgen's 42 inch (107 cm) Dobsonian Telescope
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Old 10-07-2007, 12:43 PM
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Satchmo
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My favorite picture in that article is the owner looking at the Sun with a 42" full aperture Mylar filter. The guys got guts..imagine what would be left of your eye if the filter fell off .
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