Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 21, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4151 | N10 | W21 | 03 | 0020 | Beta | Jul 20, 2025 | Jul 27, 2025 | Aug 10, 2025 |
| № 4150 | S15 | E56 | 04 | 0130 | Beta | Jul 26, 2025 | Aug 2, 2025 | Aug 16, 2025 |
| № 4149 | N17 | E57 | 04 | 0220 | Beta | Jul 26, 2025 | Aug 2, 2025 | Aug 16, 2025 |
| № 4148 | S07 | W58 | 01 | 0010 | Alpha | Jul 18, 2025 | Jul 24, 2025 | Aug 7, 2025 |
| № 4144 | S15 | W05 | 01 | 0010 | Alpha | Jul 22, 2025 | Jul 28, 2025 | Aug 11, 2025 |
| № 4143 | N25 | W64 | 12 | 0280 | Beta-Gamma | Jul 17, 2025 | Jul 24, 2025 | Aug 7, 2025 |
| № 4142 | N03 | W33 | 08 | 0080 | Beta | Jul 20, 2025 | Jul 26, 2025 | Aug 9, 2025 |
| № 4140 | S12 | W48 | 01 | 0010 | Alpha | Jul 18, 2025 | Jul 25, 2025 | Aug 8, 2025 |
| № 4139 | N21 | W93 | 02 | 0100 | Beta | Jul 15, 2025 | Jul 22, 2025 | Aug 5, 2025 |
| № 4136 | N20 | W74 | 03 | 0210 | Beta | Jul 16, 2025 | Jul 23, 2025 | Aug 6, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to July 2025. The gray background is the average SSN index.