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Choosing a scope for imaging
Hi,
I have a 12" Dob which is GREAT for observing but not much good for imaging DSO's.
I'm thinking that rather than going for a Schmidt-Cassegrain, a more cost effective option (since I already have a largish aperture scope for visual use) might be a refractor on an iOptron mount.
My question is: am I thinking down the right track?
And if so: what apeture would I need to image DSO's (with say a meade DSI)?
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