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Nicely done, Mike! The only other image I have seen that shows so much of the halo is the one by Don Goldman (who had the slight advantage of a CDK20.)
I have a lot of hours on this target from last year. I was trying to improve on Don's Oiii by collecting a lot more data with my puny 300mm scope but didn't really succeed. I was battling read noise all the way. I should get around to processing it, I suppose...
Cheers,
Rick.
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