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Thanks Dan and Lester
Dan I've wactedh some of Len's tutorials and tried some high pass filter layering I think the other problem with this image was getting the darks udner the same conditions to remove noise and also the temp, as you can see some amp glow in the botton right
Alignment is always an issue with me as I can't see the Octans SCP etc from where my scope isnor have I yet got my head around drift alignment
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