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) | |
|---|---|---|---|---|---|---|---|---|
| № 2338 | N04 | E43 | 04 | 0020 | beta | May 8, 2015 | May 15, 2015 | May 28, 2015 |
| № 2337 | S16 | E43 | 02 | 0010 | beta | May 8, 2015 | May 15, 2015 | May 29, 2015 |
| № 2336 | N13 | E01 | 09 | 0030 | beta | May 5, 2015 | May 12, 2015 | May 25, 2015 |
| № 2335 | S15 | E25 | 30 | 0310 | 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.
