Astronomy Reports -- January 2005 Volume 49, Issue 1, pp. 1-78 Observations of Very-High-Energy Gamma Rays from Mrk421 at the Crimean Astrophysical Observatory in 2002 V. V. Fidelis pp. 1-4 Full Text: PDF (138 kB) Blazars with Spine–Sheath Structures A. B. Pushkarev, D. C. Gabuzda, Yu. N. Vetukhnovskaya, and V. E. Yakimov pp. 5-12 Full Text: PDF (426 kB) Formation of Supermassive Black Holes due to the Tidal Deceleration of Stellar Black Holes, Globular Clusters, and Galaxies A. V. Tutukov pp. 13-23 Full Text: PDF (199 kB) Interaction of a Cosmological Gamma-ray Burst with a Dense Molecular Cloud and the Formation of Jets M. V. Barkov and G. S. Bisnovatyi-Kogan pp. 24-35 Full Text: PDF (617 kB) Visual Extinction Towards the Omega Nebula (M17) and the Ionization of Nitrogen in the Nebula Yu. I. Glushkov, V. F. Esipov, and L. N. Kondrat'eva pp. 36-43 Full Text: PDF (480 kB) Monitoring of the H2O Maser W31(2) in 1981–2003 E. E. Lekht, V. A. Munitsyn, and A. M. Tolmachev pp. 44-56 Full Text: PDF (1014 kB) Dissipationless Disk Accretion S. V. Bogovalov and S. R. Kel'ner pp. 57-70 Full Text: PDF (278 kB) The Structure of the Coronal-Streamer Belt M. V. Eselevich and V. G. Eselevich pp. 71-78 Full Text: PDF (1699 kB)