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The Campaign of Observation of the Mutual Occultations and Eclipses of the Galilean Satellites of Jupiter in 2021
JOA 2020, Vol. 10, No. 4, Page 3 Author(s): Jean-Eudes Arlot, Nikolaï EmelyanovAbstract: The goal of this paper is to emphasize the next campaign of observations of the mutual events of the Galilean satellites of Jupiter in 2021. These phenomena occurring during the equinox on the giant planet are worthwhile observing. Past experience has shown the interest of such observations due to their relevant contribution to improve the dynamical models of natural planetary satellites. Such observations have been made for decades through a network of amateur astronomers and provided particularly accurate data, better than all the other ground-based observations. Using the best ephemerides of the Galilean satellites, we calculate the next phenomena to occur in order to prepare the future observational campaign. We provide in this paper the tools to get the dates of the next phenomena and their observational conditions. We explain also how these photometric observations should be made in order to allow a reduction providing highly accurate data.