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) | |
|---|---|---|---|---|---|---|---|---|
| № 573 | S12 | E57 | 02 | 0070 | Alpha | Mar 19, 2004 | Mar 26, 2004 | Apr 9, 2004 |
| № 572 | N19 | W19 | 10 | 0110 | Beta | Mar 14, 2004 | Mar 20, 2004 | Apr 3, 2004 |
| № 570 | S13 | W20 | 19 | 0390 | Beta-Gamma-Delta | Mar 13, 2004 | Mar 20, 2004 | Apr 3, 2004 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1975, January to 2004, March. Gray background - average solar cycle.
