Quote:
Originally Posted by Bassnut
Excellent colour and a good sense of proportional scale. I often see M81 with unaturally large artifacts within the galaxy that immediately looses the scale grandness that a huge galaxy deserves. The effect presented here is most appropriate. Yes, I rely on decon to tighten up too, but found hrs of exposure time was needed to be able to use 30-50 iteratons without artifacts and noise over the whole image. The Ken Crawford videos you posted are excellent at selective processing, using a mix of say 2 images at 30 and right up to 150 iterations with layer masks (I guess thats what you mean by your 3 reduction masks, or was that only for noise processing?)
Thanks Jase, almost "gendler" in its smoothness ;-).
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No, thank you Fred.
I used three layer masks purely for noise reduction. Simply duplicate the original image three times and apply different strength noise reduction on them. Apply a mask to each so that it is easier to select which areas you want heavy or light noise reduction applied. The heavy noise reduction layer results in considerable detail loss which is fine for the background, but need to be masked to keep the highlights. I often get carried away at extracting every ounce of detail. Sharpening through what ever process you choose is great if you've got the data to handle it. If not, go the other direction and smooth it. I need much more imaging and image processing time under my belt to compare to a Gendler or Crawford. These guys are imaging machines.