Sunspots and active regions — July 17, 2026
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 4491 | S11 | E52 | 02 | 0020 | Alpha | Jul 22, 2026 | Jul 29, 2026 | Aug 11, 2026 |
| № 4489 | S07 | E15 | 04 | 0170 | Beta | Jul 19, 2026 | Jul 26, 2026 | Aug 8, 2026 |
| № 4482 | S09 | W95 | 01 | 0150 | Alpha | Jul 11, 2026 | Jul 17, 2026 | Jul 31, 2026 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1997, January to 2026, July. Gray background - average solar cycle.
