Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 6, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 730 | S20 | E60 | 01 | 0030 | Alpha | Feb 12, 2005 | Feb 18, 2005 | Mar 4, 2005 |
| № 729 | S11 | W52 | 01 | 0010 | Alpha | Feb 3, 2005 | Feb 10, 2005 | Feb 23, 2005 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to February 2005. The gray background is the average SSN index.
