NED object is CENTAURUS A; Reference is 1977MNRAS.181..183C

   Figure 7. Centaurus A at 1415 MHz. Contours are at 0.5, 1, 2, 3, ..., 10 CU,
 where the CU is 2.0 Jy per beam of 480 K in beam brightness. The cross
 indicates the position of the infrared source discovered by Kunkel & Bradt
 (1971) at the nucleus of the galaxy.