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) | |
|---|---|---|---|---|---|---|---|---|
| № 971 | N03 | E47 | 05 | 0040 | Beta | Oct 1, 2007 | Oct 7, 2007 | Oct 21, 2007 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1978, January to 2007, September. Gray background - average solar cycle.
