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   NED object is NGC 2903; Reference is 1985A&AS...60..293H

    Fig. 1c. NGC2903 Contours plotted (mJy per beam) -1, 1, 2, 4, 8, 16, 32, 48
 -- HPBW (arcsec) 13 -- r.m.s. noise (mJy per beam) 0.5 -- kpc per arcmin 1.8.

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