No image for the selected date
Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 13, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 966 | S06 | W45 | 01 | 0010 | Alpha | Aug 10, 2007 | Aug 17, 2007 | Aug 31, 2007 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1978 to August 2007. The gray background is the average SSN index.
