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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 22, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1026 | S29 | E65 | 01 | 0010 | Alpha | Sep 28, 2009 | Oct 5, 2009 | Oct 19, 2009 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1980 to September 2009. The gray background is the average SSN index.
