Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 7, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1628 | N09 | E51 | 01 | 0010 | Alpha | Dec 12, 2012 | Dec 19, 2012 | Jan 1, 2013 |
| № 1625 | N12 | W49 | 02 | 0020 | Alpha | Dec 4, 2012 | Dec 11, 2012 | Dec 25, 2012 |
| № 1623 | N08 | W47 | 04 | 0090 | Beta | Dec 4, 2012 | Dec 11, 2012 | Dec 25, 2012 |
| № 1621 | N16 | W83 | 02 | 0010 | Alpha | Dec 2, 2012 | Dec 9, 2012 | Dec 22, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to December 2012. The gray background is the average SSN index.
