NGC 256 vs NGC 248
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NGC 256
NGC 256 is an open star cluster in the Small Magellanic Cloud, a dwarf galaxy in the southern sky, within the constellation Tucana. An open cluster is a group of stars formed in the same region and held together more loosely than the dense systems called globular clusters, so NGC 256 is studied as a stellar population rather than as a single star. British astronomer John Herschel cataloged the obj...
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NGC 248
NGC 248 is an emission nebula and star-forming region in the Small Magellanic Cloud, a dwarf satellite galaxy of the Milky Way. It contains glowing hydrogen gas ionized by radiation from young, massive stars and is classified as an H II region. Scottish astronomer James Dunlop recorded the object in 1826, and it was later included in the New General Catalogue of Nebulae and Clusters of Stars.
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