NGC 7840
galaxy
NGC 7840, the last numerical entry in the New General Catalogue, is an unbarred spiral galaxy in the constellation Pisces. Its velocity with respect to the cosmic microwave background is 10906 ± 49 km/s, which corresponds to a Hubble distance of 160.85 ± 11.30 Mpc, and its diameter is about 162,000 light-years. It was discovered by German astronomer Albert Marth on 29 November 1864.