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Wednesday, January 26, 2011
Since my processing technique gets better and weather doesn't give any support, I have reprocessed some older images. There is now star colors added and other processing is tweaked too.
NGC 6543, the "Cat's Eye Nebula"
There is a hint of co centric circles visible around the nebula.
Faint rings are spherical shells ejected by the central star in the distant past. The exact mechanism of ejections is unclear. Image is in HST-palette.