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8" GSO and canon 40D strange stars
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28-09-2009, 04:15 PM
DavidU
(Dave)
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Join Date: Jul 2007
Location: melbourne
Posts: 4,835
Graham, the left side of the images look bad.
Can you measure the distance from the inside of the OTA to the edge of the secondary holder with a dial vernier to see if it is concentric?
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