Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 30, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4239 | S09 | W27 | 02 | 0045 | Alpha | Sep 29, 2025 | Oct 6, 2025 | Oct 19, 2025 |
| № 4238 | S13 | W26 | 06 | 0010 | Beta | Sep 29, 2025 | Oct 6, 2025 | Oct 19, 2025 |
| № 4237 | N16 | W05 | 03 | 0010 | Beta | Oct 1, 2025 | Oct 7, 2025 | Oct 21, 2025 |
| № 4236 | N11 | E27 | 12 | 0080 | Beta-Gamma | Oct 3, 2025 | Oct 10, 2025 | Oct 23, 2025 |
| № 4235 | N28 | E38 | 03 | 0025 | Beta | Oct 4, 2025 | Oct 11, 2025 | Oct 25, 2025 |
| № 4233 | N17 | E34 | 08 | 0060 | Beta | Oct 4, 2025 | Oct 10, 2025 | Oct 24, 2025 |
| № 4232 | N05 | E35 | 03 | 0250 | Beta-Gamma | Oct 4, 2025 | Oct 10, 2025 | Oct 24, 2025 |
| № 4230 | S11 | W23 | 16 | 0100 | Beta-Gamma | Sep 29, 2025 | Oct 6, 2025 | Oct 20, 2025 |
| № 4227 | S17 | W56 | 03 | 0010 | Beta | Sep 27, 2025 | Oct 4, 2025 | Oct 17, 2025 |
| № 4226 | S11 | W48 | 03 | 0070 | Alpha | Sep 27, 2025 | Oct 4, 2025 | Oct 18, 2025 |
| № 4225 | N08 | W91 | 01 | 0120 | Alpha | Sep 24, 2025 | Oct 1, 2025 | Oct 14, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to September 2025. The gray background is the average SSN index.
