Celestial Objects
Caldwell 30
Galaxies
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Caldwell 30, also known as NGC 7331, is a spiral galaxy in the constellation Pegasus, discovered by William Herschel in 1784. It lies roughly 40 to 45 million light-years from Earth and is often compared to the Milky Way in overall size and structure; a small group of more distant background galaxies appearing near it in the sky has been nicknamed the Fleas.
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