Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 21, 2025. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4093 | S06 | E64 | 05 | 0030 | Beta | May 27, 2025 | Jun 3, 2025 | Jun 16, 2025 |
| № 4092 | S13 | E52 | 01 | 0050 | Alpha | May 26, 2025 | Jun 2, 2025 | Jun 15, 2025 |
| № 4090 | S12 | E09 | 02 | 0040 | Alpha | May 23, 2025 | May 29, 2025 | Jun 12, 2025 |
| № 4089 | N18 | E01 | 05 | 0010 | Beta | May 22, 2025 | May 29, 2025 | Jun 12, 2025 |
| № 4087 | N16 | W27 | 04 | 0160 | Beta-Delta | May 20, 2025 | May 27, 2025 | Jun 9, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to May 2025. The gray background is the average SSN index.
