Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 27, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2293 | N06 | E44 | 02 | 0010 | Alpha | Mar 3, 2015 | Mar 10, 2015 | Mar 23, 2015 |
| № 2290 | N19 | W34 | 05 | 0050 | Beta | Feb 25, 2015 | Mar 4, 2015 | Mar 18, 2015 |
| № 2289 | S10 | W35 | 02 | 0010 | Alpha | Feb 25, 2015 | Mar 4, 2015 | Mar 18, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to February 2015. The gray background is the average SSN index.
