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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 26, 2013. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1835 | S10 | E65 | 01 | 0180 | Alpha | Sep 1, 2013 | Sep 8, 2013 | Sep 21, 2013 |
| № 1834 | N14 | E66 | 02 | 0010 | Beta | Sep 1, 2013 | Sep 8, 2013 | Sep 21, 2013 |
| № 1828 | N05 | W11 | 02 | 0010 | Beta | Aug 26, 2013 | Sep 2, 2013 | Sep 15, 2013 |
| № 1823 | S10 | W61 | 01 | 0060 | Alpha | Aug 22, 2013 | Aug 29, 2013 | Sep 12, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to August 2013. The gray background is the average SSN index.
