Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 2, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2277 | N08 | E20 | 46 | 0440 | Beta-Gamma | Feb 5, 2015 | Feb 11, 2015 | Feb 25, 2015 |
| № 2275 | S17 | W94 | 02 | 0060 | Beta | Jan 27, 2015 | Feb 3, 2015 | Feb 16, 2015 |
| № 2273 | S03 | W82 | 01 | 0010 | Alpha | Jan 28, 2015 | Feb 4, 2015 | Feb 17, 2015 |
| № 2272 | N13 | W22 | 02 | 0020 | Alpha | Feb 1, 2015 | Feb 8, 2015 | Feb 22, 2015 |
| № 2271 | N18 | W84 | 03 | 0180 | Beta | Jan 28, 2015 | Feb 3, 2015 | Feb 17, 2015 |
| № 2268 | S11 | W57 | 18 | 0320 | Beta-Gamma | Jan 30, 2015 | Feb 5, 2015 | Feb 19, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to February 2015. The gray background is the average SSN index.
