Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 12, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2468 | S14 | E52 | 04 | 0070 | Beta | Dec 17, 2015 | Dec 24, 2015 | Jan 6, 2016 |
| № 2467 | S05 | W15 | 01 | 0000 | Alpha | Dec 12, 2015 | Dec 19, 2015 | Jan 1, 2016 |
| № 2466 | S13 | W22 | 04 | 0010 | Beta | Dec 11, 2015 | Dec 18, 2015 | Jan 1, 2016 |
| № 2465 | S05 | E09 | 02 | 0050 | Alpha | Dec 14, 2015 | Dec 20, 2015 | Jan 3, 2016 |
| № 2464 | S10 | W10 | 03 | 0020 | Beta | Dec 12, 2015 | Dec 19, 2015 | Jan 2, 2016 |
| № 2463 | S08 | W35 | 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.
