Annually hold conference summarise the results achieved by Relativistic Astrophysics Group (RAG) at the Institute of Physics, Faculty of Philosophy and Science, Silesian University at Opava, and by collaborating institutions (Faculty of Mathematics and Physics of Charles University in Prague, the International School for Advanced Studies in Trieste, Italy, the Institute of Astrophysics at University of Oxford, the Department of Astrophysics of Göteborg University, Sweden, and MIT, USA). After each odd conference, Proceedings are issued.