1. Odesa I. I. Mechnykov National University,Department of Physics and Astronomy FMPIT,Odesa,Ukraine
2. Odesa I. I. Mechnykov National University,Astronomical Observatory,Department of Physics and Astronomy FMPIT,Odesa,Ukraine
3. Kharkiv National University of Radio Electronics,Department of media systems and technologies,Kharkiv,Ukraine
4. Odesa I. I. Mechnykov National University,Astronomical Observatory,Odesa,Ukraine
5. Taras Shevchenko National University of Kyiv,National Center «Junior academy of sciences of Ukraine»,Astronomy and Space Physics Department,Kyiv,Ukraine