Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 2405 | S21 | E46 | 01 | 0010 | Alpha | Sep 1, 2015 | Sep 8, 2015 | Sep 22, 2015 |
| № 2403 | S15 | W56 | 25 | 0890 | Beta-Gamma-Delta | Aug 25, 2015 | Sep 1, 2015 | Sep 14, 2015 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1986, January to 2015, August. Gray background - average solar cycle.
