Amateur observations of the Sun are described. The current problems of solar physics and solar-terrestrial connections are considered, to the solution of which astronomy lovers can contribute. Various instruments for observing the Sun are described, tasks that can be solved using relatively simple tools are listed. The methodology 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, participants in astronomical circles.