New sunspot catalogue to improve space weather predictions
Scientists from the University of Graz, Kanzelhöhe Observatory, Skoltech, and the World Data Center SILSO at the Royal Observatory of Belgium, have presented the Catalog of Hemispheric sunspot Numbers. It will enable more accurate predictions of the solar cycle and space weather, which can affect human-made infrastructure both on Earth and in orbit. The study came out in the Astronomy & Astrophysics journal, and the catalog is available from SILSO—the World Data Center for the production, preservation, and dissemination of the international sunspot number.
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