Thanks for the encouragement folks ... there's plenty to learn along the way so it certainly helps.
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Originally Posted by luka
How did you do the processing? Did you stack the 4x3min exposures and then used the same exposures (darkened) for the core when doing layers? Or did you use some other way?
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Hi Luka. Since core was not overexposed in the 4x3min exposure stack, I just used 3 layers of that, with differing degrees of layers/curves applied. With subs longer than about 5min in warm weather, I find noise & field flatness tend to suffer a bit.