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Astrophotography and Sketching >> Sketching

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Sol Robbins
Carpal Tunnel
*****

Reged: 12/01/03

Re: Saturn 06.08.13 [Re: markseibold]
      #5919753 - 06/13/13 11:17 PM

Thanks Mark,

I use a couple of scopes. For this sketch I used a 6" refractor @ f/8. I also use a 6" newton, an old Criterion @ f/8.3. They both can easily support 50x/aperture inch. I also have an excellent 3" prototype achromat refractor design by the great Tom Back.

I had excellent seeing with Regulus showing holding steady for a second or two followed by a very slow undulation of the same time length alternating back and forth at 375x. Seeing conditions is everything.

My format has the globe at ~2" in diameter.

Best,


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