Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 28, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4270 | S07 | W00 | 05 | 0010 | Beta | Oct 29, 2025 | Nov 5, 2025 | Nov 18, 2025 |
| № 4269 | S11 | E16 | 06 | 0030 | Beta | Oct 30, 2025 | Nov 6, 2025 | Nov 19, 2025 |
| № 4267 | N02 | E18 | 01 | 0110 | Alpha | Oct 30, 2025 | Nov 6, 2025 | Nov 19, 2025 |
| № 4266 | N16 | W09 | 07 | 0010 | Beta | Oct 28, 2025 | Nov 4, 2025 | Nov 18, 2025 |
| № 4262 | S13 | W59 | 05 | 0080 | Beta | Oct 24, 2025 | Oct 31, 2025 | Nov 14, 2025 |
| № 4261 | S06 | W26 | 01 | 0040 | Alpha | Oct 27, 2025 | Nov 3, 2025 | Nov 16, 2025 |
| № 4257 | S09 | W58 | 01 | 0060 | Alpha | Oct 24, 2025 | Oct 31, 2025 | Nov 14, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to October 2025. The gray background is the average SSN index.
