Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 8, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 869 | S12 | E08 | 08 | 0050 | Beta | Apr 10, 2006 | Apr 16, 2006 | Apr 30, 2006 |
| № 867 | S15 | W56 | 05 | 0080 | Beta | Apr 5, 2006 | Apr 12, 2006 | Apr 25, 2006 |
| № 866 | S05 | W53 | 05 | 0090 | Beta | Apr 5, 2006 | Apr 12, 2006 | Apr 25, 2006 |
| № 865 | S11 | W78 | 07 | 0230 | Beta | Apr 3, 2006 | Apr 10, 2006 | Apr 24, 2006 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1977 to April 2006. The gray background is the average SSN index.
