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 | S13 | E44 | 02 | 0050 | Alpha | Mar 19, 2004 | Mar 26, 2004 | Apr 9, 2004 |
| № 572 | N19 | W32 | 11 | 0100 | Beta | Mar 14, 2004 | Mar 20, 2004 | Apr 3, 2004 |
| № 570 | S13 | W32 | 18 | 0340 | Beta-Gamma | Mar 14, 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.
