Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 2, 2015. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2459 | N04 | W18 | 01 | 0010 | Alpha | Dec 1, 2015 | Dec 8, 2015 | Dec 22, 2015 |
| № 2458 | N09 | W49 | 06 | 0060 | Beta | Nov 29, 2015 | Dec 6, 2015 | Dec 20, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to December 2015. The gray background is the average SSN index.
