
Sergio Cortesi dedicated his life to solar observation. At the “Specola Solare” in Locarno, between 1957 and 2021, he made over 15.000 sunspots drawings, driven by the faith of a monk to whom his own god never gave an answer.Read More »

Sergio Cortesi dedicated his life to solar observation. At the “Specola Solare” in Locarno, between 1957 and 2021, he made over 15.000 sunspots drawings, driven by the faith of a monk to whom his own god never gave an answer.Read More »