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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1417 | N16 | E44 | 03 | 0020 | Beta | Feb 16, 2012 | Feb 23, 2012 | Mar 8, 2012 |
| № 1416 | S19 | W02 | 27 | 0400 | Beta-Gamma | Feb 13, 2012 | Feb 20, 2012 | Mar 4, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to February 2012. The gray background is the average SSN index.
