Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 15, 2016. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2546 | S07 | E71 | 01 | 0250 | Alpha | May 21, 2016 | May 28, 2016 | Jun 11, 2016 |
| № 2545 | S21 | W49 | 11 | 0060 | Beta | May 12, 2016 | May 19, 2016 | Jun 2, 2016 |
| № 2544 | N21 | W01 | 10 | 0040 | Beta | May 16, 2016 | May 23, 2016 | Jun 6, 2016 |
| № 2543 | S05 | W69 | 04 | 0020 | Beta | May 11, 2016 | May 18, 2016 | May 31, 2016 |
| № 2542 | N10 | W64 | 12 | 0140 | Beta | May 11, 2016 | May 18, 2016 | Jun 1, 2016 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1987 to May 2016. The gray background is the average SSN index.
