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   NED object is NGC 7456; Reference is  1987ApJS...65..543C

   Fig. 1. - Contour maps, in order of increasing right ascension.  The optical
 value of the galaxy is indicated by a cross.  Contour levels are plotted at
 +-2**(n/2), +-2**((n+1)/2), +-2**((n+2)/2),... mJy per restoring beam solid
 angle.  The value of n for each galaxy is listed in Table 2.

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