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) | |
|---|---|---|---|---|---|---|---|---|
| № 609 | S04 | E49 | 05 | 0020 | Beta | May 17, 2004 | May 23, 2004 | Jun 6, 2004 |
| № 608 | S05 | E39 | 05 | 0050 | Beta | May 16, 2004 | May 23, 2004 | Jun 5, 2004 |
| № 606 | S10 | E28 | 06 | 0230 | Alpha | May 15, 2004 | May 22, 2004 | Jun 4, 2004 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1975, January to 2004, May. Gray background - average solar cycle.
