10. may 2018 launched the Pardubice observatory DDM Alfa its professionally focused program for monitoring and recording solar activity in the spectral line H-Alpha, therefore, in the narrow line of hydrogen in which there are observable structures in the solar chromosphere, i.e. the dynamic field of our Sun, in which one can observe interesting phenomena, such as prominences, filaments, active regions, and exceptionally the eruption. More about us>> this