Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4158 | S17 | W44 | 04 | 0020 | Beta | Jul 23, 2025 | Jul 29, 2025 | Aug 12, 2025 |
| № 4157 | S19 | E57 | 01 | 0050 | Alpha | Jul 30, 2025 | Aug 6, 2025 | Aug 20, 2025 |
| № 4156 | N11 | E63 | 01 | 0020 | Alpha | Jul 31, 2025 | Aug 6, 2025 | Aug 20, 2025 |
| № 4155 | S09 | E64 | 05 | 0050 | Beta | Jul 31, 2025 | Aug 6, 2025 | Aug 20, 2025 |
| № 4154 | S13 | E47 | 02 | 0040 | Alpha | Jul 29, 2025 | Aug 5, 2025 | Aug 19, 2025 |
| № 4153 | S28 | E34 | 08 | 0180 | Beta-Gamma | Jul 29, 2025 | Aug 5, 2025 | Aug 19, 2025 |
| № 4152 | N09 | E21 | 01 | 0010 | Alpha | Jul 27, 2025 | Aug 3, 2025 | Aug 17, 2025 |
| № 4150 | S13 | E02 | 02 | 0050 | Alpha | Jul 26, 2025 | Aug 2, 2025 | Aug 15, 2025 |
| № 4149 | N17 | E04 | 12 | 0260 | Beta-Gamma | Jul 26, 2025 | Aug 2, 2025 | Aug 16, 2025 |
| № 4142 | N04 | W93 | 01 | 0060 | Alpha | Jul 19, 2025 | Jul 26, 2025 | Aug 8, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to July 2025. The gray background is the average SSN index.
