Quote:
Originally Posted by cometcatcher
What if you used adaptive optics? Would that narrow the gap some more?
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Not sure, possibly?..but looking at various images out there taken with similar sized scopes or even slightly bigger and usually with longer focal lengths, under similar conditions and that use AO devices in the image train... there appears to be no obvious difference when I compare
...until of course you get to images taken with scopes at the good sites with genuinely and consistently good seeing, like Cerro Tololo, Mt Lemmon, Sierra Remote or Namibia etc. Your site/seeing is by far the main factor for upping the ante in the resolution department and not aperture or focal length, followed (a fair way behind) by getting enough exposure at fine image scales to handle, properly executed, deconvolution well
Mike