Dr. Sabit Ilyasov is Head of Solar Physics Department of the Ulugh Beg Astronomical Institute of the Uzbekistan Academy of Sciences. He has completed his Ph.D in Astrophyics in 1994. He was the Deputy Director of the Ulugh Beg Astronomical Institute from 1997-2018. He is the member of International Astronomical Union, European Astronomical Society, Euro-Asian Astronomical Society, He have an educational activity. He is a professor of Karshi State University in Uzbekistan. Some other duties are as the head of the doctoral theses Council in Ulugh Beg Astronomical Institute (specialty “Astronomy” and “Pedagogy”). Some International collaboration are USA (in particular, with Prof. F. Hill – NSO), France (in particular, with Prof. E. Fossat – Nice University), Germany (in particular, with Prof. M. Sarazin – ESO and others. He has more than 100 scientific articles.