Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 22, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 745 | N12 | E54 | 04 | 0020 | Beta | Mar 27, 2005 | Apr 3, 2005 | Apr 16, 2005 |
| № 744 | S12 | W13 | 14 | 0100 | Beta | Mar 22, 2005 | Mar 29, 2005 | Apr 11, 2005 |
| № 743 | S08 | W84 | 05 | 0210 | Beta-Gamma | Mar 17, 2005 | Mar 23, 2005 | Apr 6, 2005 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to March 2005. The gray background is the average SSN index.
