Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 7, 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 | S09 | E70 | 05 | 0070 | Beta | Dec 13, 2007 | Dec 20, 2007 | Jan 2, 2008 |
| № 977 | S05 | W01 | 04 | 0010 | Beta | Dec 8, 2007 | Dec 15, 2007 | Dec 28, 2007 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1978 to December 2007. The gray background is the average SSN index.
