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) | |
|---|---|---|---|---|---|---|---|---|
| № 1667 | N22 | E28 | 08 | 0090 | Beta | Feb 8, 2013 | Feb 15, 2013 | Mar 1, 2013 |
| № 1665 | N10 | W18 | 02 | 0170 | Alpha | Feb 5, 2013 | Feb 11, 2013 | Feb 25, 2013 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1984, January to 2013, February. Gray background - average solar cycle.
