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Old 20-02-2018, 09:35 PM
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Atmos (Colin)
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Join Date: Aug 2011
Location: Melbourne
Posts: 7,013
Coal Sack Dark Nebula

I had planned on getting back up to Heathcote tonight to get 5 hours of Lum on this but the weather gods had other plans for me.
I was fiddling with the front lens last night and trying to remove the last of the on-axis astigmatism and I think I have. Next step is to fiddle with the backplate again and see if I can get the field a bit flatter.

Anyway, 5.4 hours RGB of which I think I need to increase the exposure time a little from 120s subs to get that bit more over read noise.

High Res version

It was mostly processed in Mike's GoodLook64 but I did some end tweaks in PI.
I know the bottle right corner is terrible, thats the next thing I'm looking at when the skies clear up
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