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 7457


NGC 7457 is an unbarred lenticular galaxy in the constellation Pegasus. NGC 7457 is its New General Catalogue designation. It was discovered by the astronomer William Herschel on 12 September 1784. NGC 7457 is estimated to be about 43 million light-years (13.2 megaparsecs) away from the Sun. There are about 201 globular clusters in the galaxy. The core of NGC 7457 is surprisingly bright and compact, with many stars.

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Sources:

Wikipedia Page: NGC 7457
NGC 7457 at In-The-Sky website


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