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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 3, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1564 | S15 | E43 | 13 | 0150 | Beta | Sep 7, 2012 | Sep 14, 2012 | Sep 28, 2012 |
| № 1563 | S26 | E31 | 04 | 0050 | Beta | Sep 6, 2012 | Sep 13, 2012 | Sep 27, 2012 |
| № 1562 | S17 | E12 | 03 | 0020 | Beta | Sep 5, 2012 | Sep 12, 2012 | Sep 25, 2012 |
| № 1561 | S12 | W21 | 02 | 0020 | Beta | Sep 2, 2012 | Sep 9, 2012 | Sep 23, 2012 |
| № 1560 | N03 | W15 | 21 | 0260 | Beta-Gamma | Sep 3, 2012 | Sep 9, 2012 | Sep 23, 2012 |
| № 1553 | S22 | W67 | 05 | 0140 | Beta | Aug 30, 2012 | Sep 6, 2012 | Sep 19, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to September 2012. The gray background is the average SSN index.
