Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 27, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2355 | S09 | E11 | 03 | 0020 | Beta | May 29, 2015 | Jun 5, 2015 | Jun 18, 2015 |
| № 2354 | S19 | W59 | 01 | 0010 | Alpha | May 24, 2015 | May 31, 2015 | Jun 13, 2015 |
| № 2353 | N07 | W62 | 02 | 0030 | Beta | May 24, 2015 | May 30, 2015 | Jun 13, 2015 |
| № 2349 | S19 | W79 | 02 | 0040 | Beta | May 22, 2015 | May 29, 2015 | Jun 12, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to May 2015. The gray background is the average SSN index.
