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) | |
|---|---|---|---|---|---|---|---|---|
| № 867 | S16 | E17 | 08 | 0050 | Beta | Apr 5, 2006 | Apr 12, 2006 | Apr 26, 2006 |
| № 866 | S06 | E17 | 03 | 0100 | Alpha | Apr 5, 2006 | Apr 12, 2006 | Apr 26, 2006 |
| № 865 | S11 | W05 | 27 | 0340 | 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.
