1. Shamakhy Astrophysical Observatory of the ANAS, Baku AZ-1000, Azerbaijan
2. Space Research Institute, Austrian Academy of Sciences, Schmiedlstrasse 6, 8042 Graz, Austria
3. Abastumani Astrophysical Observatory at Ilia State University, Kakutsa Cholokashvili Ave 3/5, Tbilisi, Georgia
4. Combinatorial Optimization and Decision Support, KU Leuven campus Kortrijk, Sabbelaan 53, 8500 Kortrijk, Belgium
5. Centre for Mathematical Plasma Astrophysics, Department of Mathematics, KU Leuven, Celestijnenlaan 200B, 3001 Leuven, Belgium