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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 12, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1395 | N21 | E21 | 04 | 0090 | Alpha | Jan 15, 2012 | Jan 22, 2012 | Feb 4, 2012 |
| № 1393 | N16 | W84 | 10 | 0560 | Beta | Jan 7, 2012 | Jan 13, 2012 | Jan 27, 2012 |
| № 1391 | N12 | W37 | 20 | 0270 | Beta | Jan 10, 2012 | Jan 17, 2012 | Jan 31, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to January 2012. The gray background is the average SSN index.
