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Published online by Cambridge University Press: 04 August 2017
Continuing a long project of investigations of the optical morphology of the M87 jet (see review in Nieto, 1983), we have obtained at the Cassegrainan focus of the CFH telescope in March 1983 three UV exposures with the wide-field electronographic camera (Lallemand et al., 1970). The aim was to achieve the same order of resolution as that of the photographic plates obtained by Nieto and Lelièvre (1982), but with a much higher signal to noise ratio.