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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 13, 2011. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 1146 | N24 | E19 | 02 | 0010 | Beta | Jan 15, 2011 | Jan 22, 2011 | Feb 5, 2011 |
| № 1140 | N32 | W87 | 01 | 0070 | Alpha | Jan 7, 2011 | Jan 14, 2011 | Jan 29, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to January 2011. The gray background is the average SSN index.
