Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 21, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4262 | S12 | E36 | 01 | 0150 | Alpha | Oct 25, 2025 | Oct 31, 2025 | Nov 14, 2025 |
| № 4261 | S05 | E68 | 02 | 0040 | Beta | Oct 27, 2025 | Nov 3, 2025 | Nov 16, 2025 |
| № 4260 | S09 | E48 | 01 | 0010 | Alpha | Oct 26, 2025 | Nov 1, 2025 | Nov 15, 2025 |
| № 4259 | S20 | E36 | 01 | 0010 | Alpha | Oct 25, 2025 | Nov 1, 2025 | Nov 14, 2025 |
| № 4257 | S09 | E36 | 03 | 0110 | Beta | Oct 25, 2025 | Oct 31, 2025 | Nov 14, 2025 |
| № 4256 | S15 | E13 | 04 | 0030 | Alpha | Oct 23, 2025 | Oct 30, 2025 | Nov 12, 2025 |
| № 4254 | N10 | W07 | 01 | 0080 | Alpha | Oct 21, 2025 | Oct 28, 2025 | Nov 11, 2025 |
| № 4252 | S12 | W41 | 01 | 0090 | Alpha | Oct 19, 2025 | Oct 26, 2025 | Nov 8, 2025 |
| № 4248 | N06 | W94 | 05 | 0380 | Beta | Oct 15, 2025 | Oct 22, 2025 | Nov 4, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to October 2025. The gray background is the average SSN index.