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Looks great for detail... I would have thought with 4hrs 45mins data it would be a fair bit brighter than that?
How did you go about stacking the different duration exposures?
If you just threw them all into DSS together, DSS will have replaced some of the outer extensions of the neb with the values in the shorter subs.. Your best bet for adding multiple exposure sets together is to stack all the sets separately (ie. all 10min subs, all 20min subs etc.) then load them into photoshop and merge them to HDR. that way you will get all the dynamic range from each data set. where as stacking them together will usually result in less data in the final image...
Like I said, Guiding and detail look great, and focus too.. Perhaps next time, just shoot the longest duration subs you can accurately guide for all night long... I'd love to see 4.5hrs worth of 30min subs... That would be insane!
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