Sunspots and active regions — December 31, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4332 | N14 | E46 | 03 | 0010 | Beta | Jan 4, 2026 | Jan 11, 2026 | Jan 25, 2026 |
| № 4331 | S25 | E52 | 01 | 0020 | Alpha | Jan 5, 2026 | Jan 12, 2026 | Jan 26, 2026 |
| № 4328 | S13 | E08 | 10 | 0020 | Beta | Jan 1, 2026 | Jan 8, 2026 | Jan 22, 2026 |
| № 4325 | S08 | E19 | 15 | 0280 | Beta-Delta | Jan 2, 2026 | Jan 9, 2026 | Jan 23, 2026 |
| № 4324 | N24 | E26 | 15 | 0200 | Beta | Jan 3, 2026 | Jan 10, 2026 | Jan 24, 2026 |
| № 4323 | S17 | E29 | 08 | 0010 | Alpha | Jan 3, 2026 | Jan 10, 2026 | Jan 24, 2026 |
| № 4317 | N11 | W61 | 05 | 0160 | Beta | Dec 27, 2025 | Jan 3, 2026 | Jan 17, 2026 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1996, January to 2025, December. Gray background - average solar cycle.
