Sh2-86 vs Sh2-171
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Sh2-86
Sh2-86 is an H II emission nebula located in the constellation Vulpecula. It is closely associated with the young open star cluster NGC 6823 and serves as a primary site of active star formation within the Vulpecula OB1 stellar association. The region is cataloged within the Sharpless catalog of nebulae, which was compiled by astronomer Stewart Sharpless. Ultraviolet radiation from the cluster's h...
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Sh2-171
Sh2-171, also catalogued as NGC 7822, is a vast emission nebula and star-forming complex located in the constellation Cepheus. The region was systematically catalogued by astronomer Stewart Sharpless in his 1959 survey of H II regions. It is distinguished by its intricate structures of glowing gas and dark dust lanes. The nebula is illuminated by the young, hot stars of the Berkeley 59 cluster.
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