NED object is NGC 4945; Reference is 1985MNRAS.215..247H

   Plate 2. NGC 4945 at 843 MHz superimposed on an AAT plate. Contours are -19,
 19, 39, 58, 77, 116, 231, 481, 963, 1444, 1926, 2889, 3852, 4815 mJy
 beam**(-1).