Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 17, 2026. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4347 | N11 | E72 | 01 | 0060 | Alpha | Jan 23, 2026 | Jan 30, 2026 | Feb 13, 2026 |
| № 4346 | S14 | E63 | 01 | 0010 | Alpha | Jan 23, 2026 | Jan 29, 2026 | Feb 12, 2026 |
| № 4345 | S17 | E51 | 04 | 0020 | Beta | Jan 22, 2026 | Jan 29, 2026 | Feb 11, 2026 |
| № 4344 | N19 | E38 | 01 | 0010 | Alpha | Jan 21, 2026 | Jan 28, 2026 | Feb 10, 2026 |
| № 4343 | S11 | W07 | 18 | 0310 | Beta-Gamma | Jan 17, 2026 | Jan 24, 2026 | Feb 7, 2026 |
| № 4342 | N17 | E49 | 02 | 0180 | Beta | Jan 22, 2026 | Jan 28, 2026 | Feb 11, 2026 |
| № 4341 | S11 | E44 | 16 | 0840 | Beta-Gamma-Delta | Jan 21, 2026 | Jan 28, 2026 | Feb 11, 2026 |
| № 4340 | N24 | W19 | 10 | 0050 | Beta | Jan 16, 2026 | Jan 23, 2026 | Feb 6, 2026 |
| № 4336 | S09 | W85 | 01 | 0170 | Alpha | Jan 11, 2026 | Jan 18, 2026 | Feb 1, 2026 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1997 to January 2026. The gray background is the average SSN index.
