NED object is MKN 0003; Reference is 1984MNRAS.207..193P Figure 1. The 73-cm map of the nucleus of Mkn 3 produced by MERLIN. The angular resolution is 1 arcsec (FWHM) and the contour levels are at 2, 4, 6, 8, 11, 18, 23, 3O, 39, 51, 67 and 86 per cent of the peak brightness which is 1741 mJy per beam.