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Published online by Cambridge University Press: 25 May 2016
NGC 6251 is an optically normal elliptical galaxy that hosts one of the most spectacular radio jets(Perley, Bridle, and Willis, 1984). This jet extends about 1 Mpc and its axis is roughly perpendicular to the central dust ring. NGC6251 was originally observed with HST in a survey of elliptical galaxies(Crane et al., 1993) and revealed an anamoly which was pursued in the investigation reported here.