NED object is Centaurus A; Reference is 1997A&AS..121...11C

   Fig. 1. a) Radio continuum emission at 408 MHz from Cen A (with the original
 beam) after subtraction of the smooth `backgound' emission. Contour lines are
 shown at 1, 5,...., 20; 25, 31,....., 67; 75, 83, ...., 107; 120, 170, .....,
 500 K, in brightness temperature.