Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 15, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4218 | N15 | W73 | 07 | 0030 | Beta | Sep 10, 2025 | Sep 17, 2025 | Oct 1, 2025 |
| № 4217 | S15 | E70 | 01 | 0090 | Alpha | Sep 21, 2025 | Sep 28, 2025 | Oct 12, 2025 |
| № 4216 | N10 | E35 | 10 | 0180 | Beta | Sep 19, 2025 | Sep 25, 2025 | Oct 9, 2025 |
| № 4213 | S14 | W79 | 06 | 0090 | Beta | Sep 10, 2025 | Sep 17, 2025 | Sep 30, 2025 |
| № 4211 | S14 | W90 | 01 | 0080 | Alpha | Sep 9, 2025 | Sep 16, 2025 | Sep 30, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to September 2025. The gray background is the average SSN index.
