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 1245


NGC 1245 is an open cluster in the constellation Perseus. It was discovered by William Herschel in 11 December 1786. It is located 3° southwest of alpha Persei and can be spotted with 10x50 binoculars. The cluster is nearly 1 billion years old. NGC 1245 has about 200 members the brightest of which are of 12th magnitude. The cluster shows evidence of mass segregation and it is possible that it has lost its lower mass members. Lying at a distance of 3kpc, the cluster is estimated to be 27 light years across.

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Sources:

Wikipedia Page: NGC 1245
NGC 1245 at In-The-Sky website


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