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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 13, 2015. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2299 | S07 | E60 | 03 | 0010 | Beta | Mar 19, 2015 | Mar 25, 2015 | Apr 8, 2015 |
| № 2298 | S11 | W52 | 03 | 0010 | Beta | Mar 10, 2015 | Mar 17, 2015 | Mar 30, 2015 |
| № 2297 | S16 | W00 | 20 | 0340 | Beta-Gamma-Delta | Mar 14, 2015 | Mar 21, 2015 | Apr 4, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to March 2015. The gray background is the average SSN index.
