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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 29, 2007. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 949 | N07 | E64 | 02 | 0070 | Alpha | Apr 4, 2007 | Apr 10, 2007 | Apr 24, 2007 |
| № 948 | S02 | W68 | 01 | 0010 | Alpha | Mar 25, 2007 | Apr 1, 2007 | Apr 14, 2007 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1978 to March 2007. The gray background is the average SSN index.
