1. Skolkovo Institute of Science and Technology , Bolshoy Boulevard 30, bld. 1. Skolkovo 121205, Russia
2. Leibniz Institute for Astrophysics Potsdam , An der Sternwarte 16, Potsdam 14482, Germany
3. Institute of Physics, University of Graz , Universitätsplatz 5, Graz 8010, Austria
4. Kanzelhöhe Observatory for Solar and Environmental Research , , Kanzelhöhe 19, Treffen 9521, Austria
5. University of Graz , , Kanzelhöhe 19, Treffen 9521, Austria
6. Department of Geophysics, Faculty of Science , , Horvatovac 95, Zagreb 10000, Croatia
7. University of Zagreb , , Horvatovac 95, Zagreb 10000, Croatia
8. Astronomical Observatory Zagreb , Opaticka 22, Zagreb 10000, Croatia