Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2283 | N06 | W11 | 02 | 0020 | Beta | Feb 13, 2015 | Feb 20, 2015 | Mar 5, 2015 |
| № 2282 | N10 | E16 | 15 | 0240 | Beta-Gamma | Feb 15, 2015 | Feb 22, 2015 | Mar 8, 2015 |
| № 2280 | S06 | W81 | 03 | 0140 | Beta | Feb 8, 2015 | Feb 15, 2015 | Feb 28, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to February 2015. The gray background is the average SSN index.