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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1432 | N16 | E52 | 04 | 0080 | Beta | Mar 16, 2012 | Mar 23, 2012 | Apr 5, 2012 |
| № 1430 | N21 | W42 | 09 | 0100 | Beta | Mar 9, 2012 | Mar 16, 2012 | Mar 29, 2012 |
| № 1429 | N18 | W26 | 22 | 0880 | Beta-Gamma-Delta | Mar 10, 2012 | Mar 17, 2012 | Mar 31, 2012 |
| № 1428 | S17 | W46 | 14 | 0060 | Beta | Mar 9, 2012 | Mar 15, 2012 | Mar 29, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to March 2012. The gray background is the average SSN index.
