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best way to collimate dobsonian
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12-11-2014, 11:35 AM
rrussell1962
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Join Date: May 2014
Location: Brisbane
Posts: 494
I bought a cheap led torch from the supermarket with a lens about the same size as the hole on the cheshire tube and duct taped it on the hole, makes the visibility so much better. Eventually did away with the tape and just now hold it there.
rrussell1962
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