Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2522 | N14 | W56 | 03 | 0040 | Beta | Mar 12, 2016 | Mar 19, 2016 | Apr 1, 2016 |
| № 2521 | N19 | W09 | 12 | 0080 | Beta | Mar 15, 2016 | Mar 22, 2016 | Apr 5, 2016 |
| № 2519 | N05 | E08 | 01 | 0080 | Alpha | Mar 17, 2016 | Mar 23, 2016 | Apr 6, 2016 |
| № 2513 | N08 | W83 | 01 | 0020 | Alpha | Mar 10, 2016 | Mar 17, 2016 | Mar 30, 2016 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1987 to March 2016. The gray background is the average SSN index.