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) | |
|---|---|---|---|---|---|---|---|---|
| № 1047 | S18 | E43 | 01 | 0010 | Alpha | Feb 15, 2010 | Feb 22, 2010 | Mar 8, 2010 |
| № 1046 | N24 | E28 | 08 | 0130 | Beta | Feb 14, 2010 | Feb 21, 2010 | Mar 7, 2010 |
| № 1045 | N22 | W39 | 16 | 0240 | Beta | Feb 9, 2010 | Feb 16, 2010 | Mar 2, 2010 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1981, January to 2010, February. Gray background - average solar cycle.
