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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 15, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 860 | S03 | E52 | 01 | 0010 | Alpha | Mar 20, 2006 | Mar 27, 2006 | Apr 9, 2006 |
| № 859 | S07 | W77 | 01 | 0010 | Alpha | Mar 10, 2006 | Mar 17, 2006 | Mar 30, 2006 |
| № 858 | N18 | W12 | 02 | 0010 | Beta | Mar 15, 2006 | Mar 22, 2006 | Apr 5, 2006 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1977 to March 2006. The gray background is the average SSN index.
