No image for the selected date
Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 31, 2012. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1640 | N28 | E20 | 02 | 0040 | Beta | Jan 3, 2013 | Jan 10, 2013 | Jan 24, 2013 |
| № 1639 | S17 | E32 | 04 | 0030 | Beta | Jan 3, 2013 | Jan 10, 2013 | Jan 24, 2013 |
| № 1638 | N12 | E31 | 01 | 0150 | Alpha | Jan 3, 2013 | Jan 10, 2013 | Jan 24, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to December 2012. The gray background is the average SSN index.
