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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 2, 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 | S14 | E58 | 09 | 0090 | Beta | Sep 7, 2012 | Sep 14, 2012 | Sep 28, 2012 |
| № 1563 | S25 | E45 | 04 | 0070 | Beta | Sep 6, 2012 | Sep 13, 2012 | Sep 27, 2012 |
| № 1562 | S16 | E27 | 04 | 0020 | Beta | Sep 5, 2012 | Sep 12, 2012 | Sep 25, 2012 |
| № 1561 | S12 | W08 | 02 | 0030 | Beta | Sep 2, 2012 | Sep 9, 2012 | Sep 23, 2012 |
| № 1560 | N03 | W03 | 19 | 0220 | Beta-Gamma | Sep 3, 2012 | Sep 9, 2012 | Sep 23, 2012 |
| № 1554 | N15 | W92 | 04 | 0160 | Beta | Aug 27, 2012 | Sep 3, 2012 | Sep 16, 2012 |
| № 1553 | S22 | W55 | 08 | 0150 | 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.
