Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 16, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2531 | N13 | E36 | 01 | 0010 | Alpha | Apr 20, 2016 | Apr 26, 2016 | May 10, 2016 |
| № 2530 | N13 | W65 | 02 | 0010 | Alpha | Apr 12, 2016 | Apr 19, 2016 | May 2, 2016 |
| № 2529 | N10 | W22 | 36 | 0740 | 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.
