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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 15, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1545 | S14 | W61 | 03 | 0010 | Alpha | Aug 11, 2012 | Aug 18, 2012 | Sep 1, 2012 |
| № 1543 | N22 | W17 | 07 | 0250 | Beta-Gamma | Aug 15, 2012 | Aug 21, 2012 | Sep 4, 2012 |
| № 1542 | S12 | W31 | 04 | 0040 | Beta | Aug 14, 2012 | Aug 20, 2012 | Sep 3, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to August 2012. The gray background is the average SSN index.
