Sunspots and active regions — February 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4377 | N07 | E39 | 08 | 0050 | Beta-Gamma | Feb 21, 2026 | Feb 28, 2026 | Mar 13, 2026 |
| № 4376 | N13 | E27 | 01 | 0010 | Alpha | Feb 20, 2026 | Feb 27, 2026 | Mar 12, 2026 |
| № 4375 | N16 | E05 | 01 | 0010 | Alpha | Feb 18, 2026 | Feb 25, 2026 | Mar 11, 2026 |
| № 4374 | N09 | W23 | 05 | 0210 | Beta | Feb 16, 2026 | Feb 23, 2026 | Mar 9, 2026 |
| № 4373 | N09 | W69 | 04 | 0120 | Alpha | Feb 13, 2026 | Feb 20, 2026 | Mar 5, 2026 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1997, January to 2026, February. Gray background - average solar cycle.
