NGC 6142 is a large spiral galaxy in the constellation of Corona Borealis. Its velocity with respect to the cosmic microwave background is , which corresponds to a Hubble distance of . It was discovered by German-British astronomer William Herschel on 30 May 1791.
Galaxy cluster NGC 6142 is a member of the galaxy cluster known as Abell 2199.
Supernova One supernova has been observed in NGC 6142: SN 2006R (TypeIa, mag. 17.5) was discovered by Tim Puckett and Alex Langoussis on 26 January 2006.
See also List of NGC objects (6001–7000)
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