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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 24, 2012. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1577 | N08 | E32 | 12 | 0100 | Beta | Sep 27, 2012 | Oct 4, 2012 | Oct 18, 2012 |
| № 1576 | S22 | E19 | 02 | 0050 | Beta | Sep 26, 2012 | Oct 3, 2012 | Oct 17, 2012 |
| № 1575 | N08 | E13 | 13 | 0260 | Beta-Gamma | Sep 26, 2012 | Oct 3, 2012 | Oct 16, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to September 2012. The gray background is the average SSN index.
