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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 12, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 978 | S07 | E03 | 34 | 0240 | Beta-Gamma | Dec 13, 2007 | Dec 20, 2007 | Jan 2, 2008 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1978 to December 2007. The gray background is the average SSN index.
