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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2474 | N07 | W52 | 05 | 0010 | Beta | Dec 20, 2015 | Dec 27, 2015 | Jan 9, 2016 |
| № 2473 | S23 | E62 | 12 | 0230 | Beta-Delta | Dec 29, 2015 | Jan 5, 2016 | Jan 19, 2016 |
| № 2472 | N03 | E62 | 10 | 0150 | Beta | Dec 29, 2015 | Jan 4, 2016 | Jan 18, 2016 |
| № 2470 | N13 | W50 | 01 | 0400 | Alpha | Dec 20, 2015 | Dec 27, 2015 | Jan 10, 2016 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to December 2015. The gray background is the average SSN index.
