Active areas
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 ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 4218 | N15 | W71 | 07 | 0030 | Beta | Sep 10, 2025 | Sep 17, 2025 | Oct 1, 2025 |
| № 4217 | S15 | E72 | 01 | 0090 | Alpha | Sep 21, 2025 | Sep 28, 2025 | Oct 12, 2025 |
| № 4216 | N10 | E37 | 10 | 0180 | Beta | Sep 19, 2025 | Sep 25, 2025 | Oct 9, 2025 |
| № 4213 | S14 | W77 | 06 | 0090 | Beta | Sep 10, 2025 | Sep 17, 2025 | Sep 30, 2025 |
| № 4211 | S14 | W88 | 01 | 0080 | Alpha | Sep 9, 2025 | Sep 16, 2025 | Sep 30, 2025 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1996, January to 2025, September. Gray background - average solar cycle.

