Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  M 3  ·  NGC 5272
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M3, David Redwine
M3
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M3

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M3, David Redwine
M3
Powered byPixInsight

M3

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Description

When I shot this last Summer I had trouble getting PixInsight to stack the data so I stacked it is DSS, which over corrected. The results were terrible but I didn't have time to re-shoot.

Since last Summer I've learned the basics of adjusting RANSAC parameters in Pixinsight, so I am able to get a much better stack. I had started shooting too soon after Sunset so I had to clip 0.5% of the dark pixels just to be a able to stretch this to a reasonable level.

Looking back at my limited notes, I was shooting this with the roughly aligned CGX-L while waiting for the sky to get dark enough to start entering more stars into the alignment model.

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