Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 9, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2341 | S20 | E65 | 01 | 0090 | Alpha | May 15, 2015 | May 21, 2015 | Jun 4, 2015 |
| № 2340 | S07 | E58 | 04 | 0050 | Beta | May 14, 2015 | May 21, 2015 | Jun 3, 2015 |
| № 2339 | N13 | E41 | 32 | 0900 | Beta-Gamma | May 13, 2015 | May 19, 2015 | Jun 2, 2015 |
| № 2338 | N04 | W05 | 07 | 0050 | Beta | May 9, 2015 | May 16, 2015 | May 29, 2015 |
| № 2337 | S18 | W06 | 03 | 0010 | Beta | May 9, 2015 | May 16, 2015 | May 30, 2015 |
| № 2336 | N13 | W51 | 02 | 0010 | Beta | May 6, 2015 | May 12, 2015 | May 26, 2015 |
| № 2335 | S16 | W26 | 15 | 0120 | Beta | May 8, 2015 | May 14, 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.
