Affiliation: | Institute for Applied Problems in Mechanics and Mathematics, Naukova St. 3-b, 79060 Lviv, Ukraine;Astronomical Observatory, National University, Kyryla and Methodia St. 8, 79008 Lviv, Ukraine;Consorzio COMETA, Via S. Sofia 64, 95123 Catania, Italy;INAF –Osservatorio Astronomico di Palermo, Piazza del Parlamento 1, 90134 Palermo, Italy;Dipartimento di Scienze Fisiche ed Astronomiche, Sezione di Astronomia, Universitàdi Palermo, Piazza del Parlamento 1, 90134 Palermo, Italy;Instituto de Astronomía y Física del Espacio (IAFE), CC 67, Suc. 28, 1428 Buenos Aires, Argentina;Bogolyubov Institute for Theoretical Physics, Metrologichna St. 14-b, 03680 Kiev, Ukraine;Astronomical Observatory, Kiev National Taras Shevchenko University, Observatorna St. 3, 04053 Kiev, Ukraine |