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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 2, 2006. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 906 | S09 | W63 | 10 | 0100 | Beta | Aug 29, 2006 | Sep 5, 2006 | Sep 18, 2006 |
| № 905 | S08 | W79 | 02 | 0090 | Alpha | Aug 28, 2006 | Sep 4, 2006 | Sep 17, 2006 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1977 to September 2006. The gray background is the average SSN index.
