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) | |
|---|---|---|---|---|---|---|---|---|
| № 1044 | N18 | W36 | 01 | 0010 | Alpha | Feb 4, 2010 | Feb 11, 2010 | Feb 25, 2010 |
| № 1043 | N24 | W50 | 01 | 0020 | Alpha | Feb 3, 2010 | Feb 10, 2010 | Feb 24, 2010 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1981, January to 2010, February. Gray background - average solar cycle.
