Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 12, 2025. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 4216 | N09 | E79 | 03 | 0100 | Beta | Sep 19, 2025 | Sep 26, 2025 | Oct 9, 2025 |
| № 4215 | N24 | W39 | 03 | 0010 | Beta | Sep 10, 2025 | Sep 17, 2025 | Oct 1, 2025 |
| № 4214 | N05 | W65 | 05 | 0030 | Beta | Sep 8, 2025 | Sep 15, 2025 | Sep 28, 2025 |
| № 4213 | S15 | W37 | 06 | 0200 | Beta | Sep 10, 2025 | Sep 17, 2025 | Oct 1, 2025 |
| № 4211 | S14 | W48 | 01 | 0110 | Alpha | Sep 9, 2025 | Sep 16, 2025 | Sep 30, 2025 |
| № 4210 | N07 | W66 | 01 | 0010 | Alpha | Sep 8, 2025 | Sep 15, 2025 | Sep 28, 2025 |
| № 4207 | N28 | W84 | 03 | 0080 | Beta | Sep 6, 2025 | Sep 13, 2025 | Sep 27, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to September 2025. The gray background is the average SSN index.
