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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 26, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4542 | S19 | W07 | 04 | 0020 | Beta | Sep 26, 2026 | Oct 3, 2026 | Oct 17, 2026 |
| № 4538 | N12 | W82 | 01 | 0010 | Alpha | Sep 21, 2026 | Sep 28, 2026 | Oct 11, 2026 |
| № 4537 | N07 | W81 | 01 | 0010 | Alpha | Sep 21, 2026 | Sep 28, 2026 | Oct 11, 2026 |
| № 4536 | N02 | W67 | 03 | 0130 | Beta | Sep 22, 2026 | Sep 29, 2026 | Oct 12, 2026 |
| № 4535 | N11 | W06 | 03 | 0020 | Beta | Sep 27, 2026 | Oct 3, 2026 | Oct 17, 2026 |
| № 4534 | N10 | W90 | 04 | 0020 | Beta | Sep 20, 2026 | Sep 27, 2026 | Oct 11, 2026 |
| № 4533 | S13 | W17 | 02 | 0010 | Beta | Sep 26, 2026 | Oct 3, 2026 | Oct 16, 2026 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1997 to September 2026. The gray background is the average SSN index.
