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) | |
|---|---|---|---|---|---|---|---|---|
| № 4225 | N10 | E68 | 01 | 0120 | Alpha | Sep 24, 2025 | Oct 1, 2025 | Oct 15, 2025 |
| № 4223 | S16 | E50 | 05 | 0040 | Beta | Sep 23, 2025 | Sep 30, 2025 | Oct 13, 2025 |
| № 4221 | N04 | E29 | 06 | 0110 | Beta | Sep 21, 2025 | Sep 28, 2025 | Oct 11, 2025 |
| № 4220 | S18 | W01 | 18 | 0080 | Beta | Sep 19, 2025 | Sep 26, 2025 | Oct 10, 2025 |
| № 4217 | S17 | E36 | 12 | 0200 | Beta | Sep 22, 2025 | Sep 29, 2025 | Oct 12, 2025 |
| № 4216 | N10 | W04 | 17 | 0200 | Beta-Gamma | Sep 19, 2025 | Sep 25, 2025 | Oct 9, 2025 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1996, January to 2025, September. Gray background - average solar cycle.

