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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 13, 2012. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1632 | N16 | W14 | 05 | 0010 | Beta | Dec 13, 2012 | Dec 20, 2012 | Jan 2, 2013 |
| № 1631 | N20 | W08 | 07 | 0030 | Beta | Dec 13, 2012 | Dec 20, 2012 | Jan 3, 2013 |
| № 1630 | N19 | W39 | 15 | 0030 | Beta | Dec 11, 2012 | Dec 18, 2012 | Jan 1, 2013 |
| № 1629 | N11 | W24 | 15 | 0120 | Beta | Dec 12, 2012 | Dec 19, 2012 | Jan 2, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to December 2012. The gray background is the average SSN index.
