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) | |
|---|---|---|---|---|---|---|---|---|
| № 602 | S14 | W52 | 07 | 0060 | Beta | Apr 28, 2004 | May 5, 2004 | May 18, 2004 |
| № 601 | S09 | W19 | 07 | 0020 | Beta | Apr 30, 2004 | May 7, 2004 | May 21, 2004 |
| № 599 | N17 | W40 | 02 | 0050 | Beta | Apr 29, 2004 | May 6, 2004 | May 19, 2004 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1975, January to 2004, May. Gray background - average solar cycle.
