Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 7, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2464 | S12 | E53 | 01 | 0010 | Alpha | Dec 12, 2015 | Dec 19, 2015 | Jan 1, 2016 |
| № 2463 | S11 | E39 | 06 | 0110 | Beta | Dec 11, 2015 | Dec 18, 2015 | Dec 31, 2015 |
| № 2462 | N09 | E29 | 01 | 0010 | Alpha | Dec 10, 2015 | Dec 17, 2015 | Dec 31, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to December 2015. The gray background is the average SSN index.