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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 1, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1426 | N11 | W31 | 01 | 0010 | Alpha | Feb 29, 2012 | Mar 6, 2012 | Mar 20, 2012 |
| № 1423 | N17 | W09 | 01 | 0120 | Alpha | Mar 1, 2012 | Mar 8, 2012 | Mar 22, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to March 2012. The gray background is the average SSN index.
