Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4557 | N17 | W10 | 29 | 0110 | Beta | Oct 18, 2026 | Oct 25, 2026 | Nov 8, 2026 |
| № 4555 | S07 | W96 | 01 | 0010 | Alpha | Oct 12, 2026 | Oct 18, 2026 | Nov 1, 2026 |
| № 4551 | S15 | W44 | 27 | 0510 | Beta-Gamma | Oct 16, 2026 | Oct 22, 2026 | Nov 5, 2026 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1997 to October 2026. The gray background is the average SSN index.
