NED object is NGC 1421; Reference is 1985A&AS...60..293H Fig. 1b. NGC1421 Contours plotted (mJy per beam) -1, 1, 2 to 12 insteps of 2 -- HPBW (arcsec) 18 x 13 (0deg) -- r.m.s. noise (mJy per beam) 0.4 -- kpc per arcmin 7.9.