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The solar cycle 25 advances

The solar cycle 25 started in 2020 and a maximum of activity is expected for 2025. In January 2021, specifically on the 16th, a new group of sunspots appeared after 12 days of total calm. The group was called AR2796 and emerged small and with little activity.



The photo is the result of a single 1ms shot for the chromosphere and a 50ms shot for the crown, taken with a QHY IMG2PRO camera in H-Alfa with a 60mm Lunt telescope and composed in false color with Photshop.


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The Great Conjunction of Jupiter and Saturn

On December 21, 2021, the Great Conjunction of Jupiter and Saturn took place, expected by all the fans, but illusion truncated at least for the people of Madrid, due to quite bad weather conditions. A