Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 10, 2015. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 2342 | N18 | E65 | 04 | 0030 | Beta | May 16, 2015 | May 23, 2015 | Jun 5, 2015 |
| № 2341 | S20 | E49 | 01 | 0070 | Alpha | May 15, 2015 | May 21, 2015 | Jun 4, 2015 |
| № 2340 | S09 | E40 | 05 | 0040 | Beta | May 14, 2015 | May 21, 2015 | Jun 3, 2015 |
| № 2339 | N12 | E26 | 40 | 0840 | Beta-Gamma | May 13, 2015 | May 20, 2015 | Jun 2, 2015 |
| № 2338 | N05 | W22 | 04 | 0020 | Beta | May 9, 2015 | May 16, 2015 | May 30, 2015 |
| № 2337 | S17 | W21 | 04 | 0020 | Beta | May 9, 2015 | May 16, 2015 | May 30, 2015 |
| № 2335 | S16 | W40 | 08 | 0040 | Beta | May 8, 2015 | May 15, 2015 | May 28, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to May 2015. The gray background is the average SSN index.
