Solar activity in Ha and CaK from 21.02.2026

 Posted: Feb 21st, 2026
Technical Info
Telescope/Lens: Acuter Elite Phoenix 40
 Moskva Yugo-Zapadnaya, Russia
 Feb 21st, 2026
23
Resolution: 1080x1080 px
Scale: 1555 KB
The Wolf number has reached a recent record low—only 17!
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