Sunspots and active regions — January 17, 2007
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) | |
|---|---|---|---|---|---|---|---|---|
| № 938 | N02 | E22 | 08 | 0060 | Beta | Jan 20, 2007 | Jan 26, 2007 | Feb 9, 2007 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1978, January to 2007, January. Gray background - average solar cycle.
