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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 11, 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 | N18 | E59 | 02 | 0010 | Beta | Feb 16, 2012 | Feb 23, 2012 | Mar 8, 2012 |
| № 1416 | S17 | E10 | 17 | 0100 | Beta-Gamma | Feb 13, 2012 | Feb 20, 2012 | Mar 4, 2012 |
| № 1415 | N08 | W84 | 02 | 0010 | Beta | Feb 6, 2012 | Feb 12, 2012 | Feb 26, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to February 2012. The gray background is the average SSN index.
