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) | |
|---|---|---|---|---|---|---|---|---|
| № 742 | S06 | E56 | 11 | 0080 | Beta | Mar 14, 2005 | Mar 21, 2005 | Apr 4, 2005 |
| № 741 | N14 | E17 | 08 | 0040 | Beta | Mar 11, 2005 | Mar 18, 2005 | Apr 1, 2005 |
| № 739 | S07 | W81 | 03 | 0040 | Alpha | Mar 4, 2005 | Mar 11, 2005 | Mar 24, 2005 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1976, January to 2005, March. Gray background - average solar cycle.
