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) | |
|---|---|---|---|---|---|---|---|---|
| № 866 | S06 | E29 | 01 | 0080 | Alpha | Apr 5, 2006 | Apr 12, 2006 | Apr 25, 2006 |
| № 865 | S12 | E08 | 18 | 0240 | Beta-Gamma-Delta | Apr 4, 2006 | Apr 10, 2006 | Apr 24, 2006 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1977, January to 2006, April. Gray background - average solar cycle.
