NED object is NGC 2748; Reference is 1985A&AS...60..293H Fig. 1c. NGC2748 Contours plotted (mJy per beam) -0.5, 0.5, 1 to 11 in steps of 1 -- HPBW (arcsec) 22 x 17 (0deg) -- r.m.s. noise (mJy per beam) 0.26 -- kpc per arcmin 6.4.