Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 3, 2008. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 988 | S07 | W61 | 02 | 0200 | Alpha | Mar 30, 2008 | Apr 6, 2008 | Apr 20, 2008 |
| № 987 | S08 | W87 | 02 | 0020 | Alpha | Mar 28, 2008 | Apr 4, 2008 | Apr 18, 2008 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1979 to April 2008. The gray background is the average SSN index.
