Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2338 | N04 | E58 | 02 | 0010 | Alpha | May 9, 2015 | May 16, 2015 | May 30, 2015 |
| № 2337 | S16 | E58 | 02 | 0010 | Alpha | May 9, 2015 | May 16, 2015 | May 30, 2015 |
| № 2336 | N13 | E14 | 03 | 0010 | Beta | May 6, 2015 | May 13, 2015 | May 26, 2015 |
| № 2335 | S16 | E39 | 20 | 0170 | 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.
