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 6124
NGC 6124 (also known as Caldwell 75) is an open cluster located 1,860 light years away in the constellation Scorpius. It was discovered by Abbe Lacaille in 1751 during his South African tour. The cluster is large and bright, with about 125 stars visible.
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Wikipedia Page: NGC 6124
NGC 6124 at In-The-Sky website