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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 25, 2009. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1013 | N26 | E20 | 02 | 0020 | Beta | Feb 28, 2009 | Mar 7, 2009 | Mar 21, 2009 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1980 to February 2009. The gray background is the average SSN index.
