Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 28, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4102 | S22 | E02 | 04 | 0010 | Beta | May 29, 2025 | Jun 5, 2025 | Jun 19, 2025 |
| № 4101 | N03 | E41 | 03 | 0020 | Beta | Jun 1, 2025 | Jun 8, 2025 | Jun 21, 2025 |
| № 4100 | N08 | E56 | 12 | 0270 | Beta | Jun 2, 2025 | Jun 9, 2025 | Jun 22, 2025 |
| № 4099 | S13 | E42 | 10 | 0210 | Beta | Jun 1, 2025 | Jun 8, 2025 | Jun 22, 2025 |
| № 4098 | S04 | W83 | 04 | 0100 | Beta | May 23, 2025 | May 29, 2025 | Jun 12, 2025 |
| № 4096 | N06 | W09 | 01 | 0060 | Alpha | May 28, 2025 | Jun 4, 2025 | Jun 18, 2025 |
| № 4092 | S13 | W40 | 01 | 0110 | Alpha | May 26, 2025 | Jun 2, 2025 | Jun 15, 2025 |
| № 4090 | S13 | W83 | 01 | 0010 | Alpha | May 23, 2025 | May 29, 2025 | Jun 12, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to May 2025. The gray background is the average SSN index.
