Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 25, 2013. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1676 | S13 | W21 | 03 | 0020 | Beta | Feb 24, 2013 | Mar 3, 2013 | Mar 17, 2013 |
| № 1675 | N12 | W74 | 02 | 0040 | Beta | Feb 20, 2013 | Feb 27, 2013 | Mar 13, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to February 2013. The gray background is the average SSN index.
