Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 13, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4087 | N15 | E77 | 01 | 0090 | Alpha | May 20, 2025 | May 27, 2025 | Jun 9, 2025 |
| № 4086 | N07 | W71 | 06 | 0030 | Beta | May 9, 2025 | May 15, 2025 | May 29, 2025 |
| № 4085 | N03 | W02 | 02 | 0030 | Beta | May 14, 2025 | May 21, 2025 | Jun 3, 2025 |
| № 4084 | S20 | E07 | 04 | 0010 | Alpha | May 15, 2025 | May 21, 2025 | Jun 4, 2025 |
| № 4082 | S09 | W51 | 01 | 0040 | Alpha | May 10, 2025 | May 17, 2025 | May 31, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to May 2025. The gray background is the average SSN index.