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) | |
|---|---|---|---|---|---|---|---|---|
| № 1142 | S12 | W05 | 17 | 0090 | Beta | Jan 6, 2011 | Jan 12, 2011 | Jan 26, 2011 |
| № 1141 | N35 | W64 | 06 | 0060 | Beta | Jan 1, 2011 | Jan 8, 2011 | Jan 23, 2011 |
| № 1140 | N34 | E14 | 01 | 0210 | Alpha | Jan 7, 2011 | Jan 14, 2011 | Jan 29, 2011 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1982, January to 2011, January. Gray background - average solar cycle.

