Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 11, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 795 | N15 | W54 | 01 | 0030 | Alpha | Aug 8, 2005 | Aug 15, 2005 | Aug 28, 2005 |
| № 794 | S12 | W63 | 02 | 0130 | Alpha | Aug 7, 2005 | Aug 14, 2005 | Aug 28, 2005 |
| № 792 | N13 | W93 | 01 | 0030 | Alpha | Aug 5, 2005 | Aug 12, 2005 | Aug 25, 2005 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to August 2005. The gray background is the average SSN index.