Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 970 | S07 | W34 | 05 | 0030 | Beta | Sep 2, 2007 | Sep 9, 2007 | Sep 23, 2007 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1978, January to 2007, September. Gray background - average solar cycle.
