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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 9, 2010. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1061 | N14 | W50 | 02 | 0050 | Beta | Apr 6, 2010 | Apr 13, 2010 | Apr 27, 2010 |
| № 1060 | N25 | E02 | 01 | 0000 | Alpha | Apr 10, 2010 | Apr 17, 2010 | May 1, 2010 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1981 to April 2010. The gray background is the average SSN index.
