NGC5056 is a spiral galaxy in the constellation of Coma Berenices. Its velocity with respect to the cosmic microwave background is , which corresponds to a Hubble distance of . However, 39 non-redshift measurements give a closer mean distance of . It was discovered by German-British astronomer William Herschel on 13 March 1785.
NGC5056 is listed as having an active galactic nucleus.
According to Abraham Mahtessian, NGC 5056 and form a pair of galaxies, known as [M98j]192.
Supernova One supernova has been observed in NGC 5056: SN2005au (TypeII, mag. 15.8) was discovered by British amateur astronomer Ron Arbour on 19 March 2005.
See also List of NGC objects (5001–6000)
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