Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 11, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 857 | N08 | W28 | 02 | 0010 | Alpha | Mar 10, 2006 | Mar 17, 2006 | Mar 30, 2006 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1977 to March 2006. The gray background is the average SSN index.
