RUS↔ENG

Active areas

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)
№ 4221N04E57030020BetaSep 21, 2025Sep 28, 2025Oct 12, 2025
№ 4220S18E28040010BetaSep 19, 2025Sep 26, 2025Oct 10, 2025
№ 4219N26W16060020BetaSep 16, 2025Sep 23, 2025Oct 7, 2025
№ 4218N14W86040060BetaSep 10, 2025Sep 17, 2025Oct 1, 2025
№ 4217S17E58060200BetaSep 21, 2025Sep 28, 2025Oct 12, 2025
№ 4216N10E24110210BetaSep 19, 2025Sep 26, 2025Oct 9, 2025

Solar cycle progression

Average monthly sunspot number (SSN) from 1996, January to 2025, September. Gray background - average solar cycle.
Average monthly sunspot number (SSN) from 1996, January to 2025, September