Sunspots and active regions — December 21, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4317 | N13 | E70 | 02 | 0050 | Beta | Dec 28, 2025 | Jan 3, 2026 | Jan 17, 2026 |
| № 4316 | N00 | E37 | 04 | 0040 | Beta | Dec 25, 2025 | Jan 1, 2026 | Jan 14, 2026 |
| № 4315 | N20 | E46 | 02 | 0010 | Beta | Dec 26, 2025 | Jan 2, 2026 | Jan 15, 2026 |
| № 4314 | N24 | E28 | 04 | 0010 | Beta | Dec 24, 2025 | Dec 31, 2025 | Jan 14, 2026 |
| № 4312 | N19 | E29 | 01 | 0040 | Alpha | Dec 24, 2025 | Dec 31, 2025 | Jan 14, 2026 |
| № 4311 | N04 | W44 | 01 | 0010 | Beta | Dec 19, 2025 | Dec 26, 2025 | Jan 8, 2026 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1996, January to 2025, December. Gray background - average solar cycle.
