Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 28, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4008 | N05 | E35 | 01 | 0020 | Alpha | Mar 4, 2025 | Mar 10, 2025 | Mar 24, 2025 |
| № 4007 | S12 | E06 | 03 | 0020 | Beta | Mar 1, 2025 | Mar 8, 2025 | Mar 22, 2025 |
| № 4006 | N18 | E05 | 16 | 0350 | Beta-Gamma | Mar 1, 2025 | Mar 8, 2025 | Mar 22, 2025 |
| № 4004 | S15 | E09 | 03 | 0010 | Beta | Mar 2, 2025 | Mar 9, 2025 | Mar 22, 2025 |
| № 4002 | N14 | W45 | 03 | 0010 | Beta | Feb 26, 2025 | Mar 4, 2025 | Mar 18, 2025 |
| № 4000 | N17 | W76 | 11 | 0100 | Beta-Gamma | Feb 23, 2025 | Mar 2, 2025 | Mar 16, 2025 |
| № 3998 | S14 | W84 | 22 | 0320 | Beta-Gamma | Feb 23, 2025 | Mar 1, 2025 | Mar 15, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to February 2025. The gray background is the average SSN index.