Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1142 | S13 | E09 | 13 | 0120 | Beta | Jan 6, 2011 | Jan 12, 2011 | Jan 26, 2011 |
| № 1141 | N35 | W48 | 07 | 0020 | Beta | Jan 1, 2011 | Jan 8, 2011 | Jan 23, 2011 |
| № 1140 | N32 | E27 | 01 | 0180 | Alpha | Jan 7, 2011 | Jan 14, 2011 | Jan 28, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to January 2011. The gray background is the average SSN index.
