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) | |
|---|---|---|---|---|---|---|---|---|
| № 1053 | S23 | W51 | 04 | 0030 | Beta | Feb 28, 2010 | Mar 7, 2010 | Mar 21, 2010 |
| № 1052 | S18 | W41 | 04 | 0020 | Beta | Mar 1, 2010 | Mar 8, 2010 | Mar 21, 2010 |
| № 1051 | N16 | W14 | 01 | 0010 | Alpha | Mar 3, 2010 | Mar 10, 2010 | Mar 23, 2010 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1981, January to 2010, March. Gray background - average solar cycle.
