Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 13, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4253 | S17 | W13 | 03 | 0010 | Beta | Oct 13, 2025 | Oct 20, 2025 | Nov 3, 2025 |
| № 4252 | S13 | E63 | 01 | 0060 | Alpha | Oct 19, 2025 | Oct 26, 2025 | Nov 8, 2025 |
| № 4251 | N19 | E37 | 01 | 0010 | Alpha | Oct 17, 2025 | Oct 24, 2025 | Nov 7, 2025 |
| № 4250 | N06 | E17 | 04 | 0040 | Beta | Oct 16, 2025 | Oct 22, 2025 | Nov 5, 2025 |
| № 4248 | N06 | E12 | 21 | 0150 | Beta-Gamma | Oct 15, 2025 | Oct 22, 2025 | Nov 4, 2025 |
| № 4247 | S12 | W55 | 10 | 0060 | Beta | Oct 10, 2025 | Oct 17, 2025 | Oct 30, 2025 |
| № 4246 | N24 | W19 | 15 | 0180 | Beta-Gamma | Oct 13, 2025 | Oct 20, 2025 | Nov 3, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to October 2025. The gray background is the average SSN index.
