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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 20, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 957 | S05 | W72 | 03 | 0030 | Beta | May 15, 2007 | May 22, 2007 | Jun 5, 2007 |
| № 956 | N02 | W04 | 21 | 0150 | Beta-Gamma | May 21, 2007 | May 27, 2007 | Jun 10, 2007 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1978 to May 2007. The gray background is the average SSN index.
