Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 1, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 812 | S03 | W18 | 03 | 0020 | Beta | Sep 30, 2005 | Oct 7, 2005 | Oct 21, 2005 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to October 2005. The gray background is the average SSN index.
