Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 25, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4197 | S17 | E67 | 02 | 0060 | Beta | Aug 31, 2025 | Sep 7, 2025 | Sep 21, 2025 |
| № 4196 | S11 | E65 | 01 | 0010 | Alpha | Aug 31, 2025 | Sep 7, 2025 | Sep 20, 2025 |
| № 4195 | S17 | E55 | 01 | 0020 | Alpha | Aug 30, 2025 | Sep 6, 2025 | Sep 20, 2025 |
| № 4194 | N02 | E14 | 03 | 0030 | Beta | Aug 27, 2025 | Sep 3, 2025 | Sep 16, 2025 |
| № 4193 | S27 | W15 | 01 | 0010 | Alpha | Aug 25, 2025 | Sep 1, 2025 | Sep 15, 2025 |
| № 4191 | N11 | E30 | 12 | 0360 | Beta-Gamma | Aug 28, 2025 | Sep 4, 2025 | Sep 18, 2025 |
| № 4189 | N08 | W23 | 01 | 0010 | Alpha | Aug 24, 2025 | Aug 31, 2025 | Sep 14, 2025 |
| № 4188 | S09 | W09 | 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.
