Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2463 | S09 | E78 | 01 | 0020 | Alpha | Dec 11, 2015 | Dec 18, 2015 | Dec 31, 2015 |
| № 2462 | N09 | E70 | 01 | 0010 | Alpha | Dec 10, 2015 | Dec 17, 2015 | Dec 30, 2015 |
| № 2459 | N05 | W47 | 01 | 0010 | Alpha | Dec 1, 2015 | Dec 8, 2015 | Dec 22, 2015 |
| № 2458 | N09 | W77 | 04 | 0010 | Beta | Nov 29, 2015 | Dec 6, 2015 | Dec 19, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to December 2015. The gray background is the average SSN index.
