Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 1, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4523 | N10 | E63 | 01 | 0030 | Alpha | Sep 7, 2026 | Sep 14, 2026 | Sep 27, 2026 |
| № 4522 | N13 | W27 | 02 | 0010 | Beta | Aug 31, 2026 | Sep 7, 2026 | Sep 20, 2026 |
| № 4521 | N09 | E53 | 02 | 0050 | Alpha | Sep 6, 2026 | Sep 13, 2026 | Sep 26, 2026 |
| № 4520 | S12 | W20 | 10 | 0040 | Beta | Aug 31, 2026 | Sep 7, 2026 | Sep 21, 2026 |
| № 4513 | N05 | W103 | 02 | 0010 | Beta | Aug 25, 2026 | Sep 1, 2026 | Sep 15, 2026 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1997 to September 2026. The gray background is the average SSN index.
