Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 9, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2466 | S13 | E20 | 08 | 0020 | Beta | Dec 11, 2015 | Dec 18, 2015 | Jan 1, 2016 |
| № 2465 | S05 | E52 | 06 | 0080 | Beta | Dec 14, 2015 | Dec 21, 2015 | Jan 3, 2016 |
| № 2463 | S09 | E08 | 03 | 0050 | Alpha | Dec 10, 2015 | Dec 17, 2015 | Dec 31, 2015 |
| № 2462 | N08 | E04 | 01 | 0010 | Alpha | Dec 10, 2015 | Dec 17, 2015 | Dec 30, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to December 2015. The gray background is the average SSN index.