Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 13, 2026. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4530 | N19 | W60 | 07 | 0030 | Beta | Sep 9, 2026 | Sep 16, 2026 | Sep 30, 2026 |
| № 4529 | N12 | W30 | 03 | 0060 | Beta | Sep 12, 2026 | Sep 18, 2026 | Oct 2, 2026 |
| № 4528 | S11 | W29 | 01 | 0100 | Alpha | Sep 12, 2026 | Sep 19, 2026 | Oct 2, 2026 |
| № 4527 | N04 | W45 | 03 | 0200 | Alpha | Sep 11, 2026 | Sep 17, 2026 | Oct 1, 2026 |
| № 4525 | N11 | W50 | 01 | 0010 | Alpha | Sep 10, 2026 | Sep 17, 2026 | Oct 1, 2026 |
| № 4524 | N12 | W66 | 01 | 0020 | Alpha | Sep 9, 2026 | Sep 16, 2026 | Sep 29, 2026 |
| № 4521 | N09 | W105 | 01 | 0020 | Alpha | Sep 6, 2026 | Sep 13, 2026 | Sep 26, 2026 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1997 to September 2026. The gray background is the average SSN index.
