NED object is NGC 0055; Reference is 1985MNRAS.215..247H

   Plate 1. NGC 55 at 843 MHz superimposed on an AAT plate. Contours are -4.4,
 -3.3, -2.2, 2.2, 3.3, 4.4, 6.5, 8.8, 11, 16.5, 22, 30, 44, 55, 66 mJy
 beam**(-1). The radio map has been displaced by 9 arcsec to the south and 6
 arcsec to the east with respect to the coordinate grid and the optical
 photograph.