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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 9, 2010. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1133 | N14 | E18 | 01 | 0120 | Alpha | Dec 11, 2010 | Dec 18, 2010 | Jan 1, 2011 |
| № 1131 | N31 | W10 | 01 | 0330 | Alpha | Dec 9, 2010 | Dec 16, 2010 | Dec 31, 2010 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1981 to December 2010. The gray background is the average SSN index.
