NED object is NGC 7331; Reference is 1985A&AS...60..293H Fig. 1l. NGC7331 Contours plotted (mJy per beam) -10., 1 to 10 in steps of 1 -- HPBW (arcsec) 17 -- r.m.s. noise (mJy per beam) 0.3 -- kpc per arcmin 4.2.