Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 1060 | N24 | E60 | 04 | 0090 | Beta | Apr 10, 2010 | Apr 17, 2010 | May 1, 2010 |
| № 1059 | S23 | W26 | 03 | 0030 | Alpha | Apr 4, 2010 | Apr 11, 2010 | Apr 25, 2010 |
| № 1057 | N16 | W82 | 03 | 0090 | Alpha | Mar 31, 2010 | Apr 6, 2010 | Apr 20, 2010 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1981, January to 2010, April. Gray background - average solar cycle.
