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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 30, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1059 | S23 | E49 | 01 | 0150 | Alpha | Apr 4, 2010 | Apr 11, 2010 | Apr 25, 2010 |
| № 1057 | N15 | W09 | 11 | 0290 | Beta | Mar 30, 2010 | Apr 6, 2010 | Apr 20, 2010 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1981 to March 2010. The gray background is the average SSN index.
