Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2528 | N06 | E08 | 05 | 0010 | Beta | Apr 5, 2016 | Apr 12, 2016 | Apr 26, 2016 |
| № 2527 | N14 | W14 | 02 | 0000 | Alpha | Apr 4, 2016 | Apr 11, 2016 | Apr 24, 2016 |
| № 2526 | S05 | W59 | 01 | 0160 | Alpha | Mar 31, 2016 | Apr 7, 2016 | Apr 21, 2016 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1987 to April 2016. The gray background is the average SSN index.