Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 26, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4199 | N05 | E70 | 04 | 0110 | Beta | Sep 1, 2025 | Sep 8, 2025 | Sep 22, 2025 |
| № 4198 | N10 | E34 | 05 | 0020 | Beta | Aug 30, 2025 | Sep 5, 2025 | Sep 19, 2025 |
| № 4197 | S17 | E55 | 13 | 0180 | Beta-Delta | Aug 31, 2025 | Sep 7, 2025 | Sep 21, 2025 |
| № 4196 | S12 | E50 | 01 | 0020 | Alpha | Aug 31, 2025 | Sep 7, 2025 | Sep 20, 2025 |
| № 4195 | S18 | E41 | 01 | 0020 | Alpha | Aug 30, 2025 | Sep 6, 2025 | Sep 20, 2025 |
| № 4194 | N02 | W01 | 05 | 0030 | Beta | Aug 27, 2025 | Sep 3, 2025 | Sep 16, 2025 |
| № 4191 | N11 | E15 | 15 | 0380 | Beta-Gamma | Aug 28, 2025 | Sep 4, 2025 | Sep 18, 2025 |
| № 4189 | N08 | W38 | 01 | 0010 | Alpha | Aug 24, 2025 | Aug 31, 2025 | Sep 13, 2025 |
| № 4188 | S09 | W24 | 01 | 0050 | Alpha | Aug 25, 2025 | Sep 1, 2025 | Sep 15, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to August 2025. The gray background is the average SSN index.
