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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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