NGC 6543 (Cat's Eye Nebula)

Author(s): gradius_fanatic

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The Cat's Eye Nebula (also known as NGC 6543 and Caldwell 6) is a planetary nebula 3,300±900 light-years away in the constellation Draco, discovered by William Herschel on 1786-Feb-15. It was the first such planetary nebula whose spectrum was investigated by the English amateur astronomer William Huggins, demonstrating that planetary nebulae were gaseous and not stellar in nature.

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