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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 10, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1452 | N18 | W50 | 03 | 0010 | Beta | Apr 7, 2012 | Apr 14, 2012 | Apr 28, 2012 |
| № 1450 | N15 | W89 | 01 | 0120 | Alpha | Apr 4, 2012 | Apr 11, 2012 | Apr 25, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to April 2012. The gray background is the average SSN index.
