Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 31, 2005. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 793 | N14 | W05 | 09 | 0070 | Beta | Aug 1, 2005 | Aug 8, 2005 | Aug 21, 2005 |
| № 792 | N12 | E48 | 19 | 0440 | Beta-Gamma-Delta | Aug 5, 2005 | Aug 12, 2005 | Aug 25, 2005 |
| № 791 | N14 | W52 | 04 | 0070 | Beta | Jul 28, 2005 | Aug 4, 2005 | Aug 18, 2005 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to July 2005. The gray background is the average SSN index.