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 5419
NGC 5419 is a large elliptical galaxy in the constellation of Centaurus. Its velocity with respect to the cosmic microwave background is 4,375 ± 23 km/s, which corresponds to a Hubble distance of 64.5 ± 4.5 Mpc (∼210 million light-years). It was discovered by British astronomer John Herschel on 1 May 1834. NGC 5419 is the brightest cluster galaxy of the galaxy cluster, Abell S0753. It contains a large core with a radius span of 1.58 arcsec (≈55 pc). In addition, it has a double nucleus, indicating the presence of two supermassive black holes in the center with a separation gap of only ≈70 pc. Two supernovae have been observed in NGC 5419: SN 2018zz (type Ia, mag. 16), and SN 2020alh (type Ia, mag. 15.3).
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Wikipedia Page: NGC 5419
NGC 5419 at In-The-Sky website