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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 9, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1567 | N17 | E41 | 04 | 0050 | Beta | Sep 13, 2012 | Sep 20, 2012 | Oct 4, 2012 |
| № 1566 | N22 | E14 | 01 | 0060 | Alpha | Sep 11, 2012 | Sep 18, 2012 | Oct 2, 2012 |
| № 1564 | S13 | W37 | 19 | 0140 | Beta-Gamma | Sep 7, 2012 | Sep 14, 2012 | Sep 27, 2012 |
| № 1562 | S21 | W75 | 06 | 0220 | Beta | Sep 4, 2012 | Sep 11, 2012 | Sep 25, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to September 2012. The gray background is the average SSN index.
