Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 4182 | N08 | E73 | 01 | 0030 | Alpha | Aug 20, 2025 | Aug 27, 2025 | Sep 10, 2025 |
| № 4181 | S12 | W22 | 03 | 0020 | Beta | Aug 13, 2025 | Aug 20, 2025 | Sep 3, 2025 |
| № 4180 | S02 | E47 | 07 | 0040 | Beta | Aug 18, 2025 | Aug 25, 2025 | Sep 8, 2025 |
| № 4179 | S10 | E26 | 01 | 0030 | Alpha | Aug 17, 2025 | Aug 24, 2025 | Sep 6, 2025 |
| № 4178 | N09 | W74 | 10 | 0180 | Beta-Gamma | Aug 9, 2025 | Aug 16, 2025 | Aug 30, 2025 |
| № 4177 | N05 | W05 | 04 | 0030 | Beta | Aug 14, 2025 | Aug 21, 2025 | Sep 4, 2025 |
| № 4175 | N12 | W06 | 07 | 0050 | Beta | Aug 14, 2025 | Aug 21, 2025 | Sep 4, 2025 |
| № 4172 | N11 | W43 | 20 | 0150 | Beta-Gamma | Aug 12, 2025 | Aug 18, 2025 | Sep 1, 2025 |
| № 4171 | N18 | W25 | 02 | 0050 | Beta | Aug 13, 2025 | Aug 20, 2025 | Sep 3, 2025 |
| № 4169 | N23 | W46 | 02 | 0050 | Alpha | Aug 11, 2025 | Aug 18, 2025 | Sep 1, 2025 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1996, January to 2025, August. Gray background - average solar cycle.
