Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4168 | N05 | E16 | 15 | 0060 | Beta-Gamma-Delta | Aug 6, 2025 | Aug 13, 2025 | Aug 26, 2025 |
| № 4167 | N10 | W51 | 19 | 0430 | Beta-Gamma-Delta | Aug 1, 2025 | Aug 8, 2025 | Aug 21, 2025 |
| № 4165 | N12 | E17 | 04 | 0170 | Beta | Aug 6, 2025 | Aug 13, 2025 | Aug 27, 2025 |
| № 4161 | S12 | W14 | 04 | 0070 | Beta | Aug 4, 2025 | Aug 11, 2025 | Aug 24, 2025 |
| № 4157 | S21 | W78 | 01 | 0010 | Alpha | Jul 30, 2025 | Aug 6, 2025 | Aug 20, 2025 |
| № 4155 | S08 | W79 | 04 | 0010 | Beta | Jul 30, 2025 | Aug 6, 2025 | Aug 19, 2025 |
| № 4154 | S15 | W88 | 01 | 0060 | Alpha | Jul 29, 2025 | Aug 5, 2025 | Aug 19, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to August 2025. The gray background is the average SSN index.
