NED object is NGC 5055; Reference is 1985A&AS...60..293H Fig. 1i. NGC5055 Contours plotted (mJy per beam) -1, -0.5, 0.5, 1 to 7 in steps of 1 -- HPBW (arcsec) 15 -- r.m.s. noise (mJy per beam) 0.24 -- kpc per arcmin 2.2.