The New General Catalogue of Nebulae and Clusters of Stars (abbreviated as NGC) is a catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. The NGC contains 7,840 objects, known as the NGC objects. It is one of the largest comprehensive catalogues, as it includes all types of deep space objects, including galaxies, star clusters, emission nebulae and absorption nebulae.
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NGC 6152
NGC 6152 is an open cluster of stars located in the constellation Norma. It was discovered by John Herschel in 1834.
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Sources:
Wikipedia Page: NGC 6152
NGC 6152 at In-The-Sky website