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) | |
|---|---|---|---|---|---|---|---|---|
| № 743 | S08 | E36 | 02 | 0260 | Alpha | Mar 17, 2005 | Mar 23, 2005 | Apr 6, 2005 |
| № 742 | S06 | E03 | 30 | 0240 | Beta | Mar 14, 2005 | Mar 21, 2005 | Apr 4, 2005 |
| № 741 | N12 | W41 | 05 | 0030 | Beta-Gamma | Mar 11, 2005 | Mar 18, 2005 | Mar 31, 2005 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1976, January to 2005, March. Gray background - average solar cycle.
