Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 10, 2016. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2615 | S06 | W88 | 02 | 0060 | Alpha | Dec 4, 2016 | Dec 11, 2016 | Dec 25, 2016 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1987 to December 2016. The gray background is the average SSN index.
