Zabolotnii, ViktorPanko, Olena O.Панько, Елена АлексеевнаПанько, Олена ОлексіївнаKorshunov, ValeriiYemelianov, Yaroslav2020-02-202020-02-2020196-th Gamow International Conference in Odessa "New trends in astrophysics, cosmology and hep after Gamow" and 19-th Gamow Summer School "Astronomy and beyond: astrophysics, cosmology, radioastronomy and astrobiology" (Ukraine, Odessa, Chernomorka, August 11-18, 2019)https://dspace.onu.edu.ua/handle/123456789/27253The Universe consists of many galaxy clusters which we observe on the sky. Galaxy cluster is structure that consists of many galaxies (from 10 to 1000). In our work we are looking for rich clusters (100 and more galaxies) with intermediate concentration. We used Panko classification of galaxy clusters.enthe Universegalaxy clustersrich clustersArticle