Sunspots and active regions — April 04, 2008
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) | |
|---|---|---|---|---|---|---|---|---|
| № 988 | S06 | W77 | 04 | 0070 | Alpha | Mar 30, 2008 | Apr 6, 2008 | Apr 19, 2008 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1979, January to 2008, April. Gray background - average solar cycle.
