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Be interested to hear what people think, but a 10" SCT on a EQ6 is probably doable in sheltered conditions if you want to image for long duration, prime focus shots.
For any proposed astro-photography:
1. Will you be using a focal reducer or not - what will you be targeting that suites a 10" SCT faint nebulae?
2. How will you guide (and what will this gear weight), and how will it be mounted - side by side, straddled, on axis or off axis guider?
3. What imaging and guiding cameras are you considering?
I would believe a sturdy enough mount will let you do what you want - if you set it all up well. Personally I wouldn't want anything less than an EQ6 to mount what you are considering. And I'd opt for an OAG (< $250) versus and ONAG ($1,000) over a second scope + attachments for you guide set up. Its very hard to get ride of all differential flexure required to guide at long focal lenght using a second scope.
Matthew
Last edited by g__day; 16-01-2012 at 12:01 AM.
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