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) | |
|---|---|---|---|---|---|---|---|---|
| № 2339 | N12 | E60 | 15 | 0590 | beta-gamma | May 11, 2015 | May 18, 2015 | Jun 1, 2015 |
| № 2338 | N04 | E16 | 07 | 0090 | beta | May 8, 2015 | May 15, 2015 | May 28, 2015 |
| № 2337 | S15 | E16 | 03 | 0010 | beta | May 8, 2015 | May 15, 2015 | May 29, 2015 |
| № 2336 | N10 | W27 | 07 | 0030 | beta | May 5, 2015 | May 12, 2015 | May 25, 2015 |
| № 2335 | S13 | W02 | 28 | 0220 | beta-gamma | May 7, 2015 | May 14, 2015 | May 27, 2015 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1986, January to 2015, May. Gray background - average solar cycle.
