Talks about amateur observations of the Sun. Current problems in the physics of the Sun and solar-terrestrial connections are considered, to the solution of which amateur astronomers can contribute. Various instruments for observing the Sun are described, and problems that can be solved using relatively simple instruments are listed. Methods of observations, their processing, in particular with the help of small computers, as well as recommendations for teams of observers are given. An amateur observatory in Simferopol is described. For lovers of astronomy, photography, technology, and participants in astronomical circles.