Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 25, 2006. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 876 | S14 | E80 | 02 | 0150 | Alpha | May 2, 2006 | May 9, 2006 | May 23, 2006 |
| № 875 | S10 | E62 | 16 | 0430 | Beta-Gamma | May 1, 2006 | May 7, 2006 | May 21, 2006 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1977 to April 2006. The gray background is the average SSN index.
