Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4515 | S08 | E65 | 01 | 0010 | Alpha | Aug 27, 2026 | Sep 3, 2026 | Sep 16, 2026 |
| № 4514 | S10 | W68 | 04 | 0020 | Beta | Aug 17, 2026 | Aug 24, 2026 | Sep 6, 2026 |
| № 4513 | N04 | E57 | 12 | 0200 | Beta-Gamma-Delta | Aug 26, 2026 | Sep 2, 2026 | Sep 15, 2026 |
| № 4508 | N09 | W62 | 02 | 0030 | Alpha | Aug 17, 2026 | Aug 24, 2026 | Sep 7, 2026 |
| № 4507 | N04 | W95 | 13 | 0300 | Beta-Gamma | Aug 15, 2026 | Aug 21, 2026 | Sep 4, 2026 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1997 to August 2026. The gray background is the average SSN index.