Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 13, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2470 | N13 | E78 | 01 | 0080 | Alpha | Dec 20, 2015 | Dec 27, 2015 | Jan 9, 2016 |
| № 2469 | N18 | E69 | 03 | 0100 | Beta | Dec 19, 2015 | Dec 26, 2015 | Jan 9, 2016 |
| № 2468 | S15 | E41 | 05 | 0040 | Beta | Dec 17, 2015 | Dec 24, 2015 | Jan 6, 2016 |
| № 2466 | S13 | W33 | 01 | 0010 | Alpha | Dec 11, 2015 | Dec 18, 2015 | Jan 1, 2016 |
| № 2465 | S05 | W03 | 03 | 0030 | Alpha | Dec 14, 2015 | Dec 20, 2015 | Jan 3, 2016 |
| № 2464 | S09 | W21 | 03 | 0010 | Beta | Dec 12, 2015 | Dec 19, 2015 | Jan 2, 2016 |
| № 2463 | S09 | W47 | 03 | 0020 | Beta | 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.
