Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 746 | S12 | W21 | 11 | 0080 | Beta | Mar 25, 2005 | Apr 1, 2005 | Apr 15, 2005 |
| № 745 | N12 | E03 | 22 | 0190 | Beta | Mar 27, 2005 | Apr 3, 2005 | Apr 17, 2005 |
| № 744 | S14 | W68 | 02 | 0020 | Alpha | Mar 22, 2005 | Mar 29, 2005 | Apr 11, 2005 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1976, January to 2005, March. Gray background - average solar cycle.
