Arp 168 Andromeda Category: Diffuse countertails Also M32 . It is a very bright dwarf elliptical galaxy, which is a companion to M31, the great Andromeda galaxy. (Arp notes: faint diffuse plume curved away from M31 disc.) Mag: 9.0 Type: cE2 Redshift is -0,00067 (-200 km/s) Photo: 2002-08-17, 12" f/5, 240 sec Arp list