NGC 1620
NGC 1620 is an intermediate spiral galaxy in the constellation of Eridanus. Its velocity with respect to the cosmic microwave background is 3,455 ± 4km/s, which corresponds to a Hubble distance of. However, 20 non-redshift measurements give a closer distance of. It was discovered by German-British astronomer William Herschel on 1 January 1786.
Supernovae
Two supernovae have been observed in NGC1620:SN2009K was discovered by CHASE on 14 January 2009.SN2023crx was discovered by the Gaia Photometric Science Alerts on 1 March 2023.
According to A.M. Garcia, the galaxy NGC1620 is part of the NGC1589 Group that includes at least 8 other galaxies: NGC 1586, NGC 1587, NGC 1588, NGC 1589, UGC 3054, UGC 3058, UGC 3072 and UGC 3080.