Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 27, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4232 | N02 | E78 | 02 | 0010 | Alpha | Oct 4, 2025 | Oct 11, 2025 | Oct 24, 2025 |
| № 4231 | S08 | W66 | 02 | 0020 | Beta | Sep 23, 2025 | Sep 30, 2025 | Oct 13, 2025 |
| № 4230 | S10 | E16 | 09 | 0080 | Beta | Sep 29, 2025 | Oct 6, 2025 | Oct 20, 2025 |
| № 4229 | S03 | W74 | 03 | 0050 | Beta | Sep 22, 2025 | Sep 29, 2025 | Oct 13, 2025 |
| № 4228 | N05 | E01 | 02 | 0020 | Alpha | Sep 28, 2025 | Oct 5, 2025 | Oct 18, 2025 |
| № 4227 | S18 | W11 | 04 | 0030 | Alpha | Sep 27, 2025 | Oct 4, 2025 | Oct 18, 2025 |
| № 4226 | S10 | W07 | 09 | 0130 | Beta | Sep 27, 2025 | Oct 4, 2025 | Oct 18, 2025 |
| № 4225 | N09 | W53 | 02 | 0120 | Alpha | Sep 24, 2025 | Oct 1, 2025 | Oct 14, 2025 |
| № 4224 | S14 | W80 | 02 | 0060 | Beta | Sep 22, 2025 | Sep 29, 2025 | Oct 12, 2025 |
| № 4217 | S18 | W88 | 02 | 0070 | Beta | Sep 21, 2025 | Sep 28, 2025 | Oct 12, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to September 2025. The gray background is the average SSN index.
