Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1704 | N16 | E62 | 01 | 0080 | Alpha | Mar 31, 2013 | Apr 6, 2013 | Apr 20, 2013 |
| № 1703 | S26 | W82 | 05 | 0040 | Beta | Mar 19, 2013 | Mar 26, 2013 | Apr 9, 2013 |
| № 1702 | N07 | W62 | 09 | 0060 | Beta | Mar 21, 2013 | Mar 28, 2013 | Apr 11, 2013 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1984 to March 2013. The gray background is the average SSN index.
