NED object is NGC 5318; Reference is  1984ApJ...287...41W

   Fig. 18.- NGC 5318(1348+399) at 4.9 GHz. The peak total intensity is 47.8
 mJy beam **(-1), the CI is 0.15 per cent of this peak, and contours at -3, -2,
 -1, 1, 2, 3, 4, 5, 10, 20, 40, and 83 times this CI are plotted.