Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 10, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1145 | N15 | E39 | 04 | 0010 | Beta | Jan 14, 2011 | Jan 21, 2011 | Feb 3, 2011 |
| № 1144 | S16 | W36 | 01 | 0000 | Alpha | Jan 8, 2011 | Jan 15, 2011 | Jan 29, 2011 |
| № 1142 | S17 | W75 | 04 | 0010 | Beta | Jan 5, 2011 | Jan 12, 2011 | Jan 26, 2011 |
| № 1140 | N32 | W49 | 01 | 0130 | 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.
