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 7015
NGC 7015 is a spiral galaxy located about 203 million light-years away from Earth in the constellation Equuleus. NGC 7015's calculated velocity is 4,881 km/s (3,033 mi/s). NGC 7015 was discovered by French astronomer Édouard Stephan on September 29, 1878. NGC 7015 has two symmetric inner arms, with multiple long and continuous outer arms. It is also host to a supermassive black hole with an estimated mass of 8.2 × 107 M☉. NGC 7015 is a member of a group of galaxies known as the NGC 7042 Group. This group contains ten galaxies, with the group named after its brightest member, NGC 7042. Besides NGC 7015, the group also contains, NGC 7025, NGC 7042, NGC 7043, and IC 1359.
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Wikipedia Page: NGC 7015
NGC 7015 at In-The-Sky website