Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 13, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2521 | N19 | E18 | 09 | 0070 | Beta | Mar 15, 2016 | Mar 22, 2016 | Apr 5, 2016 |
| № 2520 | N04 | E17 | 02 | 0010 | Beta | Mar 15, 2016 | Mar 22, 2016 | Apr 5, 2016 |
| № 2519 | N05 | E39 | 04 | 0080 | Beta | Mar 17, 2016 | Mar 24, 2016 | Apr 6, 2016 |
| № 2513 | N10 | W57 | 01 | 0050 | Alpha | Mar 10, 2016 | Mar 16, 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.