Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 31, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2357 | N09 | E33 | 04 | 0020 | Beta | Jun 3, 2015 | Jun 10, 2015 | Jun 24, 2015 |
| № 2356 | S16 | E34 | 03 | 0070 | Beta | Jun 4, 2015 | Jun 10, 2015 | Jun 24, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to May 2015. The gray background is the average SSN index.
