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发帖数: 1994 | 1 Halo of the Cat's Eye
Credit: R. Corradi (Isaac Newton Group), D. Goncalves (Inst. Astrofisica de Canarias)
Explanation: The Cat's Eye Nebula (NGC 6543) is one of the best known planetary nebulae in the
sky. Its haunting symmetries are seen in the very central region of this stunning false-color picture,
processed to reveal the enormous but extremely faint halo of gaseous material, over three
light-years across, which surrounds the brighter, familiar planetary nebula. Made with data from
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