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) | |
|---|---|---|---|---|---|---|---|---|
| № 2342 | N18 | E64 | 04 | 0030 | beta | May 15, 2015 | May 22, 2015 | Jun 4, 2015 |
| № 2341 | S20 | E48 | 01 | 0070 | alpha | May 14, 2015 | May 20, 2015 | Jun 3, 2015 |
| № 2340 | S09 | E39 | 05 | 0040 | beta | May 13, 2015 | May 20, 2015 | Jun 2, 2015 |
| № 2339 | N12 | E25 | 40 | 0840 | beta-gamma | May 12, 2015 | May 19, 2015 | Jun 1, 2015 |
| № 2338 | N05 | W23 | 04 | 0020 | beta | May 8, 2015 | May 15, 2015 | May 29, 2015 |
| № 2337 | S17 | W22 | 04 | 0020 | beta | May 8, 2015 | May 15, 2015 | May 29, 2015 |
| № 2335 | S16 | W41 | 08 | 0040 | beta | 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.
