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 6027
NGC 6027 is a lenticular galaxy which is the brightest member of Seyfert's Sextet, a compact group of galaxies. It was discovered by French astronomer Édouard Stephan on 20 March 1882.
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Wikipedia Page: NGC 6027
NGC 6027 at In-The-Sky website