The observation of the partial eclipse of the Sun was a great success, also thanks to the very favourable weather. From 11.15 a.m. to 1.15 p.m. it was possible to observe the Sun, with a few groups of spots on the photosphere, marked by the presence of the Moon. A not uncommon but always fascinating phenomenon.At the end of July 2022, the 4th year of the project funded by the GCOS (Global Climate Observing System) and carried out at the Specola Solare Ticinese (SST) and at the Swiss Federal Institute of Technology Zurich (ETH) for the collection, storage and digitization of sunspot data has been completed.
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Doyen of professional and amateur astronomy in Ticino, former director of the Specola Solare Ticinese, with 64 years of activity in the Sunspot observations, among the founders and then long-time president of the Società Astronomica Ticinese, Sergio Cortesi is no longer with us. We will miss him very much.
RSI La 2 broadcasted on 22th Feb. 2020 a documentary about the activity of Sergio Cortesi at the Specola.
