NGC 5406
NGC 5406 is a barred spiral galaxy in the constellation of Canes Venatici. Its velocity with respect to the cosmic microwave background is, which corresponds to a Hubble distance of. However, seven non-redshift measurements give a much closer mean distance of. It was discovered by German-British astronomer William Herschel on 16 May 1787.
NGC 5406 is a LINER galaxy, i.e. a galaxy whose nucleus has an emission spectrum characterized by broad lines of weakly ionized atoms.
According to Abraham Mahtessian, NGC 5406 and NGC 5407 form a pair of galaxies.