Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 740 | S07 | W37 | 02 | 0010 | Alpha | Mar 2, 2005 | Mar 9, 2005 | Mar 23, 2005 |
| № 739 | S03 | W16 | 02 | 0010 | Beta | Mar 4, 2005 | Mar 11, 2005 | Mar 24, 2005 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to March 2005. The gray background is the average SSN index.
