The film is dedicated to the 100th anniversary of the Pulkovo Observatory. The city of Leningrad. Streets, buildings. The movement of the bus, cars. Pulkovskoe highway. Pulkovo Heights. Buildings, premises and territory of the Pulkovo Observatory. Scientists astronomers in the library, at the instruments, at a meeting, including: F. F. Renz, V. A. Krate, O. A. Melnikov, G. A. Tikhonov, S. I. Belyavsky. Astronomical clock. Time signal transmission. Portraits and busts of astronomers of the past: Copernicus, G. Bruno, V. Ya. Struve.