Active areas
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) | |
|---|---|---|---|---|---|---|---|---|
| № 2709 | N05 | E24 | 01 | 0010 | Alpha | May 15, 2018 | May 22, 2018 | Jun 4, 2018 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1989, January to 2018, May. Gray background - average solar cycle.
