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) | |
|---|---|---|---|---|---|---|---|---|
| № 949 | N06 | E23 | 05 | 0020 | Beta | Apr 4, 2007 | Apr 10, 2007 | Apr 24, 2007 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1978, January to 2007, April. Gray background - average solar cycle.
