Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4301 | S07 | W42 | 14 | 0050 | Beta-Gamma | Dec 2, 2025 | Dec 8, 2025 | Dec 22, 2025 |
| № 4300 | N07 | E55 | 06 | 0030 | Beta-Gamma | Dec 9, 2025 | Dec 16, 2025 | Dec 29, 2025 |
| № 4299 | N23 | E44 | 15 | 0140 | Beta-Delta | Dec 8, 2025 | Dec 15, 2025 | Dec 29, 2025 |
| № 4298 | S16 | E06 | 04 | 0110 | Beta | Dec 5, 2025 | Dec 12, 2025 | Dec 26, 2025 |
| № 4297 | S12 | W38 | 02 | 0010 | Beta | Dec 2, 2025 | Dec 9, 2025 | Dec 22, 2025 |
| № 4296 | S14 | E39 | 25 | 0620 | Beta-Gamma-Delta | Dec 8, 2025 | Dec 15, 2025 | Dec 28, 2025 |
| № 4295 | N04 | E27 | 04 | 0050 | Beta | Dec 7, 2025 | Dec 14, 2025 | Dec 27, 2025 |
| № 4294 | S15 | E20 | 55 | 1445 | Beta-Gamma-Delta | Dec 6, 2025 | Dec 13, 2025 | Dec 27, 2025 |
| № 4291 | S11 | W83 | 01 | 0010 | Alpha | Nov 29, 2025 | Dec 5, 2025 | Dec 19, 2025 |
| № 4290 | S09 | W85 | 01 | 0010 | Alpha | Nov 28, 2025 | Dec 5, 2025 | Dec 19, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to December 2025. The gray background is the average SSN index.
