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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 7, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1810 | S26 | W05 | 08 | 0050 | Beta | Aug 8, 2013 | Aug 15, 2013 | Aug 29, 2013 |
| № 1809 | N13 | W08 | 11 | 0060 | Beta | Aug 7, 2013 | Aug 14, 2013 | Aug 28, 2013 |
| № 1808 | N15 | W53 | 01 | 0040 | Alpha | Aug 4, 2013 | Aug 11, 2013 | Aug 24, 2013 |
| № 1806 | S13 | W76 | 01 | 0030 | Alpha | Aug 2, 2013 | Aug 9, 2013 | Aug 23, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to August 2013. The gray background is the average SSN index.
