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Biggest?
Hi David,
Not certain, but I believe the biggest is Jos Roberts' 36" f/5 Newtonian on a Dobson mount. I have refered to it as a "Newtonian" but strictly it isn't because it has a tertiary mirror so the focuser is only a couple of steps up the ladder. A bugger to collimate though ...
He lives up near Mt White between Sydney & Newcastle in NSW.
It was up at the SPSP about 4-5 years ago.
Best,
Les D
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