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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 22, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1576 | S21 | E44 | 02 | 0050 | Beta | Sep 26, 2012 | Oct 3, 2012 | Oct 17, 2012 |
| № 1575 | N08 | E38 | 04 | 0250 | Beta | Sep 26, 2012 | Oct 3, 2012 | Oct 16, 2012 |
| № 1574 | S24 | W78 | 02 | 0030 | Beta | Sep 17, 2012 | Sep 24, 2012 | Oct 8, 2012 |
| № 1573 | N18 | W03 | 02 | 0000 | Alpha | Sep 23, 2012 | Sep 30, 2012 | Oct 13, 2012 |
| № 1571 | S13 | W58 | 03 | 0010 | Beta | Sep 19, 2012 | Sep 25, 2012 | Oct 9, 2012 |
| № 1569 | S11 | W81 | 01 | 0080 | Alpha | Sep 17, 2012 | Sep 24, 2012 | Oct 7, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to September 2012. The gray background is the average SSN index.
