Sunspots and active regions — April 09, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4057 | N08 | E43 | 02 | 0010 | Alpha | Apr 13, 2025 | Apr 20, 2025 | May 3, 2025 |
| № 4056 | S07 | E47 | 01 | 0060 | Alpha | Apr 13, 2025 | Apr 20, 2025 | May 4, 2025 |
| № 4055 | N08 | W05 | 07 | 0030 | Beta | Apr 9, 2025 | Apr 16, 2025 | Apr 30, 2025 |
| № 4054 | S12 | W28 | 13 | 0240 | Beta | Apr 8, 2025 | Apr 15, 2025 | Apr 28, 2025 |
| № 4049 | S31 | W74 | 02 | 0010 | Beta | Apr 4, 2025 | Apr 11, 2025 | Apr 25, 2025 |
| № 4048 | S16 | W52 | 34 | 0320 | Beta-Gamma | Apr 6, 2025 | Apr 13, 2025 | Apr 26, 2025 |
| № 4046 | N07 | W74 | 01 | 0160 | Alpha | Apr 4, 2025 | Apr 11, 2025 | Apr 25, 2025 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1996, January to 2025, April. Gray background - average solar cycle.
