NGC 4189
galaxy
NGC 4189 is an intermediate spiral galaxy in the constellation of Coma Berenices. Its velocity with respect to the cosmic microwave background is 2,432±24 km/s, which corresponds to a Hubble distance of 117.0 ± 8.3 Mly (35.88 ± 2.54 Mpc). However, 20 non-redshift measurements give a closer mean distance of 97.63 ± 4.63 Mly (29.935 ± 1.419 Mpc). It was discovered by German-British astronomer William Herschel on 8 April 1784. It was also observed by German astronomer Arnold Schwassmann on 16…