Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 30, 2004. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 621 | S14 | E64 | 05 | 0110 | Beta | Jun 5, 2004 | Jun 12, 2004 | Jun 25, 2004 |
| № 618 | S10 | W58 | 32 | 0520 | Gamma | May 26, 2004 | Jun 2, 2004 | Jun 16, 2004 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1975 to May 2004. The gray background is the average SSN index.
