Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4148 | S07 | W16 | 04 | 0040 | Beta | Jul 18, 2025 | Jul 25, 2025 | Aug 7, 2025 |
| № 4147 | N06 | E41 | 01 | 0010 | Alpha | Jul 22, 2025 | Jul 29, 2025 | Aug 11, 2025 |
| № 4146 | N19 | W46 | 01 | 0020 | Alpha | Jul 15, 2025 | Jul 22, 2025 | Aug 5, 2025 |
| № 4145 | S23 | W06 | 06 | 0030 | Beta | Jul 19, 2025 | Jul 25, 2025 | Aug 8, 2025 |
| № 4144 | S15 | E35 | 01 | 0040 | Alpha | Jul 22, 2025 | Jul 28, 2025 | Aug 11, 2025 |
| № 4143 | N25 | W25 | 13 | 0260 | Beta-Gamma | Jul 17, 2025 | Jul 24, 2025 | Aug 7, 2025 |
| № 4142 | N01 | E08 | 15 | 0180 | Beta-Gamma | Jul 20, 2025 | Jul 26, 2025 | Aug 9, 2025 |
| № 4140 | S17 | W06 | 04 | 0020 | Beta | Jul 19, 2025 | Jul 25, 2025 | Aug 8, 2025 |
| № 4139 | N22 | W55 | 12 | 0260 | Beta-Gamma | Jul 15, 2025 | Jul 22, 2025 | Aug 5, 2025 |
| № 4136 | N21 | W37 | 10 | 0280 | Beta-Delta | Jul 16, 2025 | Jul 23, 2025 | Aug 6, 2025 |
| № 4135 | S08 | W65 | 01 | 0040 | Alpha | Jul 14, 2025 | Jul 21, 2025 | Aug 3, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to July 2025. The gray background is the average SSN index.
