Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 17, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4064 | S08 | E76 | 03 | 0080 | Beta | Apr 24, 2025 | Apr 30, 2025 | May 14, 2025 |
| № 4063 | N05 | E10 | 02 | 0010 | Beta | Apr 19, 2025 | Apr 25, 2025 | May 9, 2025 |
| № 4062 | S02 | E55 | 03 | 0250 | Beta-Gamma | Apr 22, 2025 | Apr 29, 2025 | May 12, 2025 |
| № 4060 | N08 | W17 | 11 | 0140 | Beta-Gamma | Apr 17, 2025 | Apr 23, 2025 | May 7, 2025 |
| № 4056 | S07 | W60 | 01 | 0020 | Alpha | Apr 13, 2025 | Apr 20, 2025 | May 4, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to April 2025. The gray background is the average SSN index.
