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) | |
|---|---|---|---|---|---|---|---|---|
| № 2297 | S17 | E52 | 13 | 0260 | Beta-Gamma-Delta | Mar 14, 2015 | Mar 21, 2015 | Apr 4, 2015 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1986, January to 2015, March. Gray background - average solar cycle.
