Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 6, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4055 | N09 | E30 | 02 | 0010 | Beta | Apr 10, 2025 | Apr 16, 2025 | Apr 30, 2025 |
| № 4054 | S13 | E06 | 06 | 0020 | Beta | Apr 8, 2025 | Apr 15, 2025 | Apr 28, 2025 |
| № 4053 | S09 | W37 | 02 | 0010 | Beta | Apr 5, 2025 | Apr 11, 2025 | Apr 25, 2025 |
| № 4052 | S21 | W53 | 04 | 0010 | Beta | Apr 3, 2025 | Apr 10, 2025 | Apr 24, 2025 |
| № 4051 | S08 | W74 | 04 | 0010 | Beta | Apr 2, 2025 | Apr 9, 2025 | Apr 22, 2025 |
| № 4050 | N31 | W41 | 03 | 0010 | Beta | Apr 4, 2025 | Apr 11, 2025 | Apr 25, 2025 |
| № 4049 | S28 | W46 | 06 | 0080 | Beta | Apr 4, 2025 | Apr 11, 2025 | Apr 25, 2025 |
| № 4048 | S16 | W19 | 28 | 0500 | Beta-Gamma | Apr 6, 2025 | Apr 13, 2025 | Apr 26, 2025 |
| № 4046 | N06 | W39 | 01 | 0230 | Alpha | Apr 4, 2025 | Apr 11, 2025 | Apr 25, 2025 |
| № 4044 | N22 | W73 | 04 | 0130 | Beta | Apr 2, 2025 | Apr 9, 2025 | Apr 22, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to April 2025. The gray background is the average SSN index.
