Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4254 | N10 | E74 | 01 | 0040 | Alpha | Oct 22, 2025 | Oct 28, 2025 | Nov 11, 2025 |
| № 4252 | S13 | E38 | 01 | 0090 | Alpha | Oct 19, 2025 | Oct 26, 2025 | Nov 8, 2025 |
| № 4251 | N19 | E12 | 01 | 0010 | Alpha | Oct 17, 2025 | Oct 24, 2025 | Nov 7, 2025 |
| № 4250 | N07 | W07 | 02 | 0020 | Beta | Oct 15, 2025 | Oct 22, 2025 | Nov 5, 2025 |
| № 4248 | N07 | W13 | 16 | 0300 | Beta-Gamma-Delta | Oct 15, 2025 | Oct 22, 2025 | Nov 4, 2025 |
| № 4246 | N22 | W43 | 27 | 0260 | Beta-Gamma-Delta | Oct 13, 2025 | Oct 20, 2025 | Nov 2, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to October 2025. The gray background is the average SSN index.
