Quote:
Originally Posted by strongmanmike
Looks like you have used a filter that has produced a slight mottling in the nebulosity, I am thinking deconvolution or something?
Mik
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Hi Mike
Thanks for the image review and analysis, it provides some very useful feedback on my processing approach and techniques. I used the convolution filter (Positive Constraint) with default values in CCDStack and this may be the source of the background ripples, unless I have done a COBE!
I applied a gentle Micro Contrast Enhancement Filter (Topaz Labs) to lift the brighter parts of the image off the page and then had to apply a noise filter in CS5 to tone down some of the background texture in the noisier regions. Some of these filters seem to work reasonably well where there is strong data, but where the image converges to the left of the histogram, there just aren’t enough levels/tones to support these filters.
It was your wonderful hi-res image that compelled to have a go last night – I might just re-visit your image and pinch the colour data!
Cheers
Dennis