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Old 15-06-2005, 03:29 PM
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asimov (John)
Planet photographer

asimov is offline
 
Join Date: May 2005
Location: Bundaberg
Posts: 8,819
The 4 "cross-hair" spikes are from your secondary spider John. [the 4 vanes holding the secondary to the tube] The only way to get rid of them is to get a curved spider setup. The 'tails' could be an insufficiently cooled mirror, or out of collimation I guess?
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