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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 30, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1139 | S26 | E48 | 02 | 0010 | Beta | Jan 4, 2011 | Jan 11, 2011 | Jan 25, 2011 |
| № 1138 | N13 | W39 | 04 | 0040 | Beta-Gamma | Dec 28, 2010 | Jan 4, 2011 | Jan 17, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1981 to December 2010. The gray background is the average SSN index.
