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Sunspots and active regions — February 28, 2026

Home Sunspots and active regions February 28, 2026
Sunspots

Sunspots and active regions

By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
Group IDLocationNumber of sunspotsArea (msh)TypeCM PassageDisappearance (W90)Reappearance (W270)
№ 4381 N08E77 02 0150 Alpha Mar 7, 2026 Mar 14, 2026 Mar 27, 2026
№ 4380 S20E60 04 0110 Beta-Gamma Mar 6, 2026 Mar 12, 2026 Mar 26, 2026
№ 4379 S17E50 03 0010 Beta Mar 5, 2026 Mar 12, 2026 Mar 25, 2026
№ 4378 N17E51 04 0250 Beta Mar 5, 2026 Mar 12, 2026 Mar 25, 2026

Solar cycle progression

Average monthly sunspot number (SSN) from 1997, January to 2026, February. Gray background - average solar cycle.
Solar cycle