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) | |
|---|---|---|---|---|---|---|---|---|
| № 2350 | S16 | E25 | 02 | 0010 | Beta | May 22, 2015 | May 29, 2015 | Jun 11, 2015 |
| № 2349 | S20 | E36 | 02 | 0010 | Beta | May 23, 2015 | May 29, 2015 | Jun 12, 2015 |
| № 2348 | S10 | E09 | 02 | 0090 | Alpha | May 21, 2015 | May 27, 2015 | Jun 10, 2015 |
| № 2344 | S09 | W37 | 01 | 0020 | Alpha | May 17, 2015 | May 24, 2015 | Jun 6, 2015 |
| № 2342 | N17 | W62 | 03 | 0070 | Alpha | May 15, 2015 | May 22, 2015 | Jun 5, 2015 |
| № 2341 | S19 | W69 | 02 | 0070 | Alpha | May 15, 2015 | May 21, 2015 | Jun 4, 2015 |
| № 2339 | N11 | W94 | 01 | 0070 | Alpha | May 13, 2015 | May 20, 2015 | Jun 2, 2015 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1986, January to 2015, May. Gray background - average solar cycle.
