Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 9, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 606 | S09 | E68 | 01 | 0220 | Alpha | May 15, 2004 | May 22, 2004 | Jun 4, 2004 |
| № 605 | S12 | W56 | 05 | 0060 | Beta | May 6, 2004 | May 12, 2004 | May 26, 2004 |
| № 604 | S18 | W13 | 01 | 0010 | Alpha | May 9, 2004 | May 16, 2004 | May 29, 2004 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1975 to May 2004. The gray background is the average SSN index.
