Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4443 | S15 | E60 | 02 | 0010 | Beta | May 23, 2026 | May 29, 2026 | Jun 12, 2026 |
| № 4442 | S16 | E44 | 02 | 0020 | Beta | May 21, 2026 | May 28, 2026 | Jun 11, 2026 |
| № 4441 | N18 | E13 | 03 | 0050 | Beta | May 19, 2026 | May 26, 2026 | Jun 9, 2026 |
| № 4440 | N17 | E54 | 01 | 0030 | Alpha | May 22, 2026 | May 29, 2026 | Jun 12, 2026 |
| № 4439 | N06 | E52 | 02 | 0050 | Beta | May 22, 2026 | May 29, 2026 | Jun 11, 2026 |
| № 4438 | N20 | W85 | 02 | 0010 | Beta | May 11, 2026 | May 18, 2026 | Jun 1, 2026 |
| № 4436 | N18 | W40 | 04 | 0080 | Alpha | May 15, 2026 | May 22, 2026 | Jun 5, 2026 |
| № 4435 | N22 | W109 | 05 | 0070 | Beta | May 10, 2026 | May 17, 2026 | May 30, 2026 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1997 to May 2026. The gray background is the average SSN index.