NGC 6543, the Cat's Eye Nebula, is a high surface brightness planetary nebula located in the constellation Draco, discovered in 1786 and spectroscopically confirmed as gaseous in 1864. With an ...
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Deep-Sky Dreams: The Cat's Eye Nebula
One of the extreme northern sky's most entertaining deep-sky objects, the Cat's Eye Nebula in Draco (NGC 6543), is a planetary nebula with a high surface brightness. Discovered by William Herschel in ...
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