Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 18, 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 | E55 | 05 | 0050 | Beta | Apr 23, 2016 | Apr 30, 2016 | May 13, 2016 |
| № 2529 | N10 | W50 | 10 | 0780 | Beta-Gamma | Apr 15, 2016 | Apr 22, 2016 | May 5, 2016 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1987 to April 2016. The gray background is the average SSN index.
