Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 17, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2532 | N07 | E63 | 02 | 0020 | Beta | Apr 23, 2016 | Apr 29, 2016 | May 13, 2016 |
| № 2530 | N08 | W79 | 01 | 0010 | Alpha | Apr 12, 2016 | Apr 19, 2016 | May 2, 2016 |
| № 2529 | N10 | W36 | 18 | 0720 | Beta-Gamma | Apr 15, 2016 | Apr 22, 2016 | May 6, 2016 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1987 to April 2016. The gray background is the average SSN index.
