Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 31, 2006. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 902 | S10 | W19 | 02 | 0030 | Beta | Jul 30, 2006 | Aug 6, 2006 | Aug 20, 2006 |
| № 901 | N06 | W41 | 01 | 0010 | Alpha | Jul 29, 2006 | Aug 5, 2006 | Aug 18, 2006 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1977 to July 2006. The gray background is the average SSN index.
