Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 1, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 969 | S08 | W56 | 04 | 0120 | Beta | Aug 29, 2007 | Sep 4, 2007 | Sep 18, 2007 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1978 to September 2007. The gray background is the average SSN index.
