Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1625 | N14 | W05 | 04 | 0060 | Beta | Dec 5, 2012 | Dec 11, 2012 | Dec 25, 2012 |
| № 1623 | N08 | W05 | 06 | 0140 | Beta | Dec 5, 2012 | Dec 11, 2012 | Dec 25, 2012 |
| № 1621 | N17 | W42 | 04 | 0080 | Beta | 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.
