Number of Supernovae discovered by amateurs.

In this page the amateurs' contribution in supernovae discoveries is shown. The SN 1957B was the first supernova discovered by an amateur astronomer: Giuliano Romano. He discovered it with his own 0.40 mt. telescope at Treviso (Italy), then later he become a professional. This graph is updated to SN 2000ek Yellow values are SNe discovered by amateurs, red ones the total number of SNe discovered for each year