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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 14, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1820 | S13 | E61 | 04 | 0060 | Beta | Aug 19, 2013 | Aug 26, 2013 | Sep 9, 2013 |
| № 1819 | S17 | E09 | 04 | 0020 | Beta | Aug 16, 2013 | Aug 22, 2013 | Sep 5, 2013 |
| № 1818 | S07 | E23 | 17 | 0340 | Beta-Gamma | Aug 17, 2013 | Aug 23, 2013 | Sep 6, 2013 |
| № 1817 | S21 | W02 | 22 | 0240 | Beta-Gamma | Aug 15, 2013 | Aug 22, 2013 | Sep 4, 2013 |
| № 1814 | S27 | W16 | 01 | 0010 | Alpha | Aug 14, 2013 | Aug 21, 2013 | Sep 4, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to August 2013. The gray background is the average SSN index.
