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) | |
|---|---|---|---|---|---|---|---|---|
| № 1058 | N25 | W21 | 01 | 0005 | alpha | Mar 25, 2010 | Apr 1, 2010 | Apr 15, 2010 |
| № 1057 | N15 | E30 | 06 | 0320 | beta | Mar 29, 2010 | Apr 5, 2010 | Apr 19, 2010 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1981, January to 2010, March. Gray background - average solar cycle.

