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We report the detection of significant fluxes of X-rays in the range 2-6 keV from the Seyfert galaxies NGC 1275 and NGC 4151. We do not observe significant emission from the direction of NGC 1068. The positional error on NGC 1275 is 0.01 square degrees; that on NGC 4151 is 0.56 square degrees.
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Gursky et al. (1971) studied this question.
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