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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 28, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1558 | N18 | E80 | 02 | 0010 | Beta | Sep 4, 2012 | Sep 11, 2012 | Sep 25, 2012 |
| № 1557 | N17 | E40 | 02 | 0010 | Beta | Sep 1, 2012 | Sep 8, 2012 | Sep 21, 2012 |
| № 1556 | S12 | W77 | 01 | 0010 | Alpha | Aug 23, 2012 | Aug 30, 2012 | Sep 12, 2012 |
| № 1555 | N08 | E45 | 10 | 0320 | Beta | Sep 1, 2012 | Sep 8, 2012 | Sep 22, 2012 |
| № 1554 | N16 | W25 | 06 | 0110 | Beta | Aug 27, 2012 | Sep 3, 2012 | Sep 16, 2012 |
| № 1553 | S18 | E07 | 04 | 0120 | Beta | Aug 29, 2012 | Sep 5, 2012 | Sep 19, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to August 2012. The gray background is the average SSN index.
