Sunspots and active regions — April 15, 2025
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) | |
|---|---|---|---|---|---|---|---|---|
| № 4061 | N18 | W28 | 02 | 0010 | Beta | Apr 14, 2025 | Apr 21, 2025 | May 4, 2025 |
| № 4060 | N08 | E08 | 12 | 0140 | Beta-Gamma | Apr 17, 2025 | Apr 23, 2025 | May 7, 2025 |
| № 4058 | N16 | W89 | 07 | 0040 | Beta | Apr 9, 2025 | Apr 16, 2025 | Apr 30, 2025 |
| № 4056 | S09 | W35 | 01 | 0060 | Alpha | Apr 13, 2025 | Apr 20, 2025 | May 4, 2025 |
| № 4055 | N07 | W91 | 14 | 0820 | Beta-Gamma-Delta | Apr 9, 2025 | Apr 16, 2025 | Apr 29, 2025 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1996, January to 2025, April. Gray background - average solar cycle.
