Celestial hemisphere:  Northern  ·  Constellation: Draco (Dra)  ·  Contains:  IC 4677  ·  NGC 6543  ·  NGC 6552  ·  PK096+29.1
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NGC 6543, The Cat's Eye Nebula, Mark L Mitchell
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NGC 6543, The Cat's Eye Nebula

Getting plate-solving status, please wait...
NGC 6543, The Cat's Eye Nebula, Mark L Mitchell
Powered byPixInsight

NGC 6543, The Cat's Eye Nebula

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Description

This is 6h 15m of Ha and OIII as HOO. Processing was largely an exercise in doughnut masks. I ended up with 7 of them.

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NGC 6543, The Cat's Eye Nebula, Mark L Mitchell

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The refractors!