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Andrew these are without the filter. Very still seeing and collimation as close as I can get it. Meaning trying to get the airy disk even all the way round a medium mag star. Collimation is perfect for deep sky stuff and observing, just need it near perfect to get that extra definition with a SCT. Saturation set to 50%, not too high, that way you get the natural colours. No colour manipulation except to drop the blue down a little.
I always shoot at f30 too. That is why seeing and collimation are critical. At f30 with a 3x barlow (tv) the seeing has to be very good. Image scale is critical to get the barges and festoons. I can produce the smaller scale stuff all the time, just want to get the same image scale as Bird and the same definition. That is what I am working on now.
Thanks for the comments and interest.
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