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) | |
|---|---|---|---|---|---|---|---|---|
| № 1151 | N11 | W71 | 01 | 0005 | Alpha | Jan 26, 2011 | Feb 1, 2011 | Feb 15, 2011 |
| № 1150 | S22 | E50 | 06 | 0020 | Beta | Feb 4, 2011 | Feb 11, 2011 | Feb 25, 2011 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1982, January to 2011, January. Gray background - average solar cycle.
