Attached is a wikisky.org image showing alpha Circinus on the left and the Circinus galaxy (PGC 50779) on the right (west) - they are 3.1 degrees apart.
The galaxy is visual mag 10.5 and its size is 7.4' x 3.1'. It forms a rough isosceles triangle with alpha and beta Centauri.
See also
http://personal.inet.fi/surf/deepsky/pgc50779_au.htm