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) | |
|---|---|---|---|---|---|---|---|---|
| № 1050 | S18 | W12 | 08 | 0020 | Beta | Feb 24, 2010 | Mar 3, 2010 | Mar 17, 2010 |
| № 1049 | S18 | W78 | 03 | 0010 | Beta | Feb 19, 2010 | Feb 26, 2010 | Mar 12, 2010 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1981, January to 2010, February. Gray background - average solar cycle.
