Pulkovo Observatory. Observatory staff at telescopes and other instruments, conduct observations, record data. Among them: Professor S. E. Khaikin, I. Kanaev, Academician V. P. Linnik, Professor N. N. Pavlov, Professor Deutsch. Academician A. A. Mikhailov speaks about the Pulkovo Observatory, the profession of an astronomer (synchronously). The city of Leningrad. Isaac's Square. Palace Square. Peter-Pavel's Fortress. Tram movement. Pulkovo Heights. (Night shooting). Kislovodsk Observatory (a branch of the Pulkovo Observatory). Observatory radio telescope. An employee at the telescope. Landscape of the Elbrus mountain range. Sunset. Bonfire in the mountains. Young people by the fire. Sunrise. The film is commented on by employees of the Pulkovo Observatory: Academician A. A. Mikhailov, Professor N. N. Pavlov, writer B. Strugatsky, N. Muzalevskaya and others.