Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 17, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4090 | S12 | E59 | 03 | 0060 | Beta | May 23, 2025 | May 30, 2025 | Jun 12, 2025 |
| № 4089 | N18 | E51 | 03 | 0030 | Beta | May 22, 2025 | May 29, 2025 | Jun 12, 2025 |
| № 4088 | N09 | W78 | 01 | 0010 | Alpha | May 12, 2025 | May 19, 2025 | Jun 2, 2025 |
| № 4087 | N17 | E20 | 10 | 0230 | Beta-Gamma-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.
