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Old 20-12-2005, 03:28 PM
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Robert_T
aiming for 2nd Halley's

Robert_T is offline
 
Join Date: Oct 2005
Location: Australia
Posts: 2,959
Quote:
Originally Posted by ving
I had the aperture mask just sitting in the base of the dob... i didnt think to use it!

oh well
Ving, would the best aperture mask for double splitting involve a ring on the outer edge of the mirror so you can get maximum resolution or do you just use a smaller disk mask between the spider vanes?

cheers
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