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) | |
|---|---|---|---|---|---|---|---|---|
| № 2349 | S21 | W09 | 03 | 0010 | Beta | May 22, 2015 | May 29, 2015 | Jun 12, 2015 |
| № 2348 | S11 | W31 | 01 | 0040 | Alpha | May 21, 2015 | May 27, 2015 | Jun 10, 2015 |
| № 2346 | S06 | W68 | 02 | 0020 | Beta | May 18, 2015 | May 25, 2015 | Jun 7, 2015 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1986, January to 2015, May. Gray background - average solar cycle.
