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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 12, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1569 | S12 | E55 | 08 | 0160 | Beta | Sep 17, 2012 | Sep 24, 2012 | Oct 7, 2012 |
| № 1568 | S10 | W53 | 04 | 0050 | Beta | Sep 9, 2012 | Sep 16, 2012 | Sep 29, 2012 |
| № 1567 | N16 | W00 | 04 | 0030 | Beta | Sep 13, 2012 | Sep 20, 2012 | Oct 3, 2012 |
| № 1566 | N23 | W23 | 03 | 0040 | Alpha | Sep 11, 2012 | Sep 18, 2012 | Oct 2, 2012 |
| № 1564 | S11 | W80 | 04 | 0110 | Beta | Sep 7, 2012 | Sep 14, 2012 | Sep 27, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to September 2012. The gray background is the average SSN index.
