Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 29, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 618 | S10 | W44 | 31 | 0310 | Beta-Gamma | May 27, 2004 | Jun 2, 2004 | Jun 16, 2004 |
| № 615 | N17 | W90 | 01 | 0060 | Alpha | May 23, 2004 | May 30, 2004 | Jun 13, 2004 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1975 to May 2004. The gray background is the average SSN index.
