Stacked image of Cygnus A at 86 GHz. Each single epoch was restored with a circular beam of 0.1 mas. The alignment was based on the position of the peak of intensity. Contours represent isophotes at 0.4, 0.8, 1.6, 3.2, 6.4, 12.8, 51.6, 102.4, 204.8 mJy/beam.
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