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) | |
|---|---|---|---|---|---|---|---|---|
| № 2341 | S19 | E74 | 01 | 0060 | alpha | May 14, 2015 | May 20, 2015 | Jun 3, 2015 |
| № 2340 | S06 | E66 | 01 | 0030 | alpha | May 13, 2015 | May 20, 2015 | Jun 2, 2015 |
| № 2339 | N13 | E48 | 20 | 0730 | beta-gamma | May 12, 2015 | May 18, 2015 | Jun 1, 2015 |
| № 2338 | N03 | E03 | 04 | 0040 | beta | May 8, 2015 | May 15, 2015 | May 28, 2015 |
| № 2337 | S18 | E04 | 05 | 0030 | beta | May 8, 2015 | May 15, 2015 | May 29, 2015 |
| № 2336 | N11 | W43 | 03 | 0010 | alpha | May 5, 2015 | May 11, 2015 | May 25, 2015 |
| № 2335 | S16 | W16 | 27 | 0180 | 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.
