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) | |
|---|---|---|---|---|---|---|---|---|
| № 4215 | N23 | W27 | 01 | 0010 | Alpha | Sep 10, 2025 | Sep 17, 2025 | Oct 1, 2025 |
| № 4214 | N06 | W50 | 03 | 0030 | Beta | Sep 8, 2025 | Sep 15, 2025 | Sep 28, 2025 |
| № 4213 | S14 | W25 | 13 | 0230 | Beta-Gamma | Sep 10, 2025 | Sep 17, 2025 | Sep 30, 2025 |
| № 4211 | S14 | W34 | 01 | 0110 | Alpha | Sep 9, 2025 | Sep 16, 2025 | Sep 30, 2025 |
| № 4210 | N07 | W54 | 02 | 0010 | Beta | Sep 8, 2025 | Sep 15, 2025 | Sep 28, 2025 |
| № 4207 | N29 | W70 | 03 | 0070 | Beta | Sep 6, 2025 | Sep 13, 2025 | Sep 28, 2025 |
| № 4206 | N08 | W90 | 01 | 0030 | Alpha | Sep 5, 2025 | Sep 12, 2025 | Sep 25, 2025 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1996, January to 2025, September. Gray background - average solar cycle.
