Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 9, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 979 | N07 | W65 | 04 | 0050 | Beta | Dec 5, 2007 | Dec 12, 2007 | Dec 25, 2007 |
| № 978 | S10 | E39 | 12 | 0160 | Beta | 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.
