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Thanks everyone,
really appreciate the feedback
Roger, there's a very slight croping done mainly to center the target in the final frame but also to remove some of the stars on the edges which are inevitably suffering from curvature, not much cropping though.
Dennis and Roger, thanks for the info re F ratio, I think I can probably say with clear conscience that the F ratio with the focal reducer and imaging train (focal reducer, 10-1 focusser, Canon) if F/7 ? just never really saw that anywhere else.
Alex and Ric thanks for the encouragement
Jase and Strongmanmike, very pleased with your kind words. On the full res images i notice a very slight elongation in the stars so the guiding isn't perfect yet. I also had to discard 10 min shots which all showed some trailling so I haven't got it licked yet bu i know I'll get to it at some point...just need more time at the scope!
or a self guided SBIG which would reduce overall weight issues, neutralise the issue of differential focal length between the imaging and guiding setups
maybe when the bankbook allows ...the better half is already supportive (what can I say...she's a keeper!)
:]
thanks everyone
it's good to be back!
frank
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