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) | |
|---|---|---|---|---|---|---|---|---|
| № 1149 | N17 | W32 | 18 | 0160 | Beta-Gamma | Jan 23, 2011 | Jan 29, 2011 | Feb 12, 2011 |
| № 1147 | N24 | W36 | 01 | 0080 | Alpha | Jan 22, 2011 | Jan 29, 2011 | Feb 12, 2011 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1982, January to 2011, January. Gray background - average solar cycle.
