Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 29, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4206 | N09 | E83 | 01 | 0050 | Alpha | Sep 5, 2025 | Sep 12, 2025 | Sep 26, 2025 |
| № 4205 | N18 | E80 | 01 | 0040 | Alpha | Sep 5, 2025 | Sep 12, 2025 | Sep 26, 2025 |
| № 4204 | N03 | E40 | 01 | 0010 | Alpha | Sep 2, 2025 | Sep 9, 2025 | Sep 22, 2025 |
| № 4202 | S16 | E35 | 02 | 0130 | Alpha | Sep 2, 2025 | Sep 9, 2025 | Sep 22, 2025 |
| № 4201 | S21 | E30 | 05 | 0100 | Beta | Sep 1, 2025 | Sep 8, 2025 | Sep 22, 2025 |
| № 4200 | S09 | W29 | 08 | 0070 | Beta | Aug 28, 2025 | Sep 4, 2025 | Sep 17, 2025 |
| № 4199 | N04 | E31 | 08 | 0140 | Beta | Sep 1, 2025 | Sep 8, 2025 | Sep 22, 2025 |
| № 4198 | N10 | W08 | 02 | 0010 | Alpha | Aug 29, 2025 | Sep 5, 2025 | Sep 19, 2025 |
| № 4197 | S18 | E16 | 50 | 0740 | Beta-Gamma-Delta | Aug 31, 2025 | Sep 7, 2025 | Sep 21, 2025 |
| № 4196 | S11 | E11 | 01 | 0010 | Alpha | Aug 31, 2025 | Sep 7, 2025 | Sep 20, 2025 |
| № 4191 | N11 | W27 | 06 | 0370 | Beta | Aug 28, 2025 | Sep 4, 2025 | Sep 17, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to August 2025. The gray background is the average SSN index.
