Sunspots and active regions — May 21, 2026
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 4444 | S21 | E67 | 01 | 0060 | Alpha | May 27, 2026 | Jun 3, 2026 | Jun 17, 2026 |
| № 4443 | S16 | E12 | 07 | 0010 | Beta | May 23, 2026 | May 30, 2026 | Jun 12, 2026 |
| № 4441 | N08 | W43 | 13 | 0150 | Beta-Gamma | May 19, 2026 | May 25, 2026 | Jun 8, 2026 |
| № 4439 | N07 | W00 | 02 | 0030 | Beta | May 22, 2026 | May 29, 2026 | Jun 11, 2026 |
| № 4436 | N18 | W88 | 03 | 0100 | Beta | May 15, 2026 | May 22, 2026 | Jun 5, 2026 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1997, January to 2026, May. Gray background - average solar cycle.
