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) | |
|---|---|---|---|---|---|---|---|---|
| № 1148 | S28 | W46 | 02 | 0030 | Beta | Jan 16, 2011 | Jan 23, 2011 | Feb 7, 2011 |
| № 1147 | N26 | E37 | 12 | 0160 | Beta-Gamma | Jan 23, 2011 | Jan 30, 2011 | Feb 13, 2011 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1982, January to 2011, January. Gray background - average solar cycle.
