Abstract
A short description of the Pulkovo ZA-320M automatic mirror astrograph and program package developed for this instrument is given in this paper. The results of the photometric observations of mutual phenomena of the Galilean satellites in 1997 (three phenomena) and 2002–2003 (24 phenomena) with the instrument are shown. The method of interpretation of the observations is described. The results of the photometric observations of occultation of the star (HIP 2559) by the asteroid (111) Ate are also shown. Our estimation of its chord taken part in the occultation is 125.6 ± 7.2 km .
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