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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4557 | N07 | E03 | 15 | 0080 | Beta | Oct 18, 2026 | Oct 25, 2026 | Nov 8, 2026 |
| № 4555 | S08 | W83 | 02 | 0020 | Beta | Oct 12, 2026 | Oct 19, 2026 | Nov 1, 2026 |
| № 4551 | S14 | W32 | 34 | 0600 | Beta-Gamma | Oct 16, 2026 | Oct 22, 2026 | Nov 5, 2026 |
| № 4548 | S13 | W120 | 01 | 0020 | Alpha | Oct 9, 2026 | Oct 16, 2026 | Oct 29, 2026 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1997 to October 2026. The gray background is the average SSN index.
