Dear colleagues, we plan to organize 1-day colloquium on Black hole astrophysics, as a part of the All-Moscow Seminar of Astrophysicists. Colloquium is supproted by the Federal programm "Integration" (project K0096 "Support of the all-Moscow seminar of astrophysicists") The proposed date of the colloquium is 03 March 2000. The colloquium will be concentrated on the new lewel of theoretical and experimental understanding of the BH nature and related phenomenae. Main topics of the colloquium: Black Holes formation Black Holes in close binaries Accretion onto Black Holes Black Holes in AGN Detection of Black Holes: radiopulsars and grav. waves Primordial Black Holes Isolated Black Holes Black Hole coalescence Gamma-ray bursts 10-15-minutes original presentations and short 5-minute presentations for the discussion are welcomed. It is highly recommended to submitt an abstract of the talk. Please, send your applications with proposed titles of the presentations to: polar@xray.sai.msu.su with the subject: BH-2000 On the authors request electronic versions of the articles, related to the proposed talks can be published on the page of the colloquium. We plan, that the final agenda will be announced on the ASA seminar in February. Send your proposal before 18 February 2000. Proposals for discussion can be submitted any moment before 03 March. Financial support for travel inside Russia is possible. Send your applications to the Organizers. Information about the colloquium is available at the WWW-page: http://xray.sai.msu.ru/~polar/html/black_hole_coll/engblack.html Details will be announced at the nearest seminars. With best regards Organizers