No image for the selected date
Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 15, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1821 | N01 | W20 | 04 | 0010 | Beta | Aug 14, 2013 | Aug 21, 2013 | Sep 4, 2013 |
| № 1820 | S12 | E47 | 06 | 0020 | Beta | Aug 19, 2013 | Aug 26, 2013 | Sep 9, 2013 |
| № 1819 | S18 | W03 | 08 | 0030 | Beta | Aug 16, 2013 | Aug 22, 2013 | Sep 5, 2013 |
| № 1818 | S07 | E09 | 15 | 0270 | Beta | Aug 17, 2013 | Aug 23, 2013 | Sep 6, 2013 |
| № 1817 | S21 | W15 | 22 | 0220 | Beta | Aug 15, 2013 | Aug 22, 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.
