Daily Sunspots groups
By Catania Solar ObservatoryAll daily drawings of the sunspot groups and USSPS produced by INAF - Catania Astrophysical Observatory from 2009 up today are available in this page. The drawings of sunspot groups and pores are maken by a Cooke refractor (150mm/2230 mm) on a 24.5 cm diameter projected image of the Sun.
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You will find this resource in just one category on our links directory. The title of the main category is Sunspots and it deals mainly with sunspots. The resource has been on our site since Thursday Apr 22 2021, and it has been viewed 81 times. So far no one has rated it yet. Be the first to rate it!Modified date: 2021-04-22
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