Named in honor of Petr Pavlovich Dobronravin {1908– }, well-known Soviet astrophysicist and spectroscopist, who served successively on the staffs of the Leningrad Astronomical Institute, the Leningrad State Optical Institute and the Pulkovo Observatory. As deputy director of the Crimean Astrophysical Observatory during 1952–1969 he made an impressive contribution to the development of that organization, equipping it with powerful optical and radio telescopes. (M 10548) _ _.