Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 977 | S06 | E40 | 03 | 0030 | 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.
