Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 21, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4538 | N11 | W07 | 03 | 0010 | Beta | Sep 21, 2026 | Sep 28, 2026 | Oct 12, 2026 |
| № 4537 | N07 | W09 | 03 | 0010 | Beta | Sep 21, 2026 | Sep 28, 2026 | Oct 12, 2026 |
| № 4536 | N03 | E03 | 07 | 0020 | Beta | Sep 22, 2026 | Sep 29, 2026 | Oct 12, 2026 |
| № 4535 | N12 | E60 | 01 | 0030 | Alpha | Sep 26, 2026 | Oct 3, 2026 | Oct 17, 2026 |
| № 4534 | N11 | W19 | 10 | 0030 | Beta | Sep 20, 2026 | Sep 27, 2026 | Oct 11, 2026 |
| № 4533 | S13 | E52 | 01 | 0040 | Alpha | Sep 26, 2026 | Oct 3, 2026 | Oct 16, 2026 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1997 to September 2026. The gray background is the average SSN index.
