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Exciting - thanks for the heads up Mike.
It is going to be a biggy. The secondary mirror will be 4.2m - which is a little bit bigger than the primary mirror of the AAT.
at 50mm, all the segments will be not much thicker than the mirror in the average 12inch Dob
Last edited by Shiraz; 30-05-2016 at 07:01 AM.
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