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) | |
|---|---|---|---|---|---|---|---|---|
| № 586 | S18 | W79 | 02 | 0010 | Beta | Mar 23, 2004 | Mar 30, 2004 | Apr 12, 2004 |
| № 585 | S15 | E51 | 05 | 0050 | Beta | Apr 2, 2004 | Apr 9, 2004 | Apr 22, 2004 |
| № 584 | S13 | E22 | 06 | 0030 | Beta | Mar 31, 2004 | Apr 6, 2004 | Apr 20, 2004 |
| № 583 | N07 | W65 | 02 | 0010 | Beta | Mar 24, 2004 | Mar 31, 2004 | Apr 13, 2004 |
| № 582 | N14 | E46 | 12 | 0380 | Beta | Apr 1, 2004 | Apr 8, 2004 | Apr 22, 2004 |
| № 581 | S04 | E40 | 01 | 0120 | Alpha | Apr 1, 2004 | Apr 8, 2004 | Apr 21, 2004 |
| № 578 | N15 | W46 | 09 | 0060 | Beta | Mar 25, 2004 | Apr 1, 2004 | Apr 15, 2004 |
| № 577 | S02 | W53 | 01 | 0020 | Alpha | Mar 25, 2004 | Apr 1, 2004 | Apr 14, 2004 |
| № 574 | S05 | W82 | 01 | 0010 | Alpha | Mar 23, 2004 | Mar 30, 2004 | Apr 12, 2004 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1975, January to 2004, March. Gray background - average solar cycle.
