Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4325 | S09 | E58 | 08 | 0100 | Beta | Jan 2, 2026 | Jan 9, 2026 | Jan 23, 2026 |
| № 4324 | N24 | E64 | 05 | 0130 | Beta | Jan 3, 2026 | Jan 10, 2026 | Jan 24, 2026 |
| № 4323 | S14 | E65 | 01 | 0020 | Alpha | Jan 3, 2026 | Jan 10, 2026 | Jan 23, 2026 |
| № 4321 | S10 | W50 | 17 | 0380 | Beta-Gamma-Delta | Dec 25, 2025 | Jan 1, 2026 | Jan 15, 2026 |
| № 4319 | S09 | E01 | 10 | 0030 | Beta | Dec 29, 2025 | Jan 5, 2026 | Jan 18, 2026 |
| № 4317 | N12 | W21 | 07 | 0250 | Beta | Dec 27, 2025 | Jan 3, 2026 | Jan 17, 2026 |
| № 4316 | S07 | W59 | 01 | 0010 | Alpha | Dec 25, 2025 | Dec 31, 2025 | Jan 14, 2026 |
| № 4312 | N19 | W61 | 01 | 0030 | Alpha | Dec 24, 2025 | Dec 31, 2025 | Jan 14, 2026 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to December 2025. The gray background is the average SSN index.
