Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 1059 | S22 | E62 | 01 | 0100 | Alpha | Apr 4, 2010 | Apr 11, 2010 | Apr 24, 2010 |
| № 1057 | N15 | E05 | 12 | 0410 | Beta | Mar 30, 2010 | Apr 6, 2010 | Apr 20, 2010 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1981, January to 2010, March. Gray background - average solar cycle.

