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 | W04 | 05 | 0290 | Alpha | Mar 17, 2005 | Mar 23, 2005 | Apr 6, 2005 |
| № 742 | S05 | W39 | 20 | 0330 | Beta-Gamma | Mar 14, 2005 | Mar 21, 2005 | Apr 3, 2005 |
| № 741 | N10 | W80 | 03 | 0100 | Beta | 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.
