Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 25, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 653 | S12 | W24 | 04 | 0060 | Beta | Jul 24, 2004 | Jul 31, 2004 | Aug 14, 2004 |
| № 652 | N08 | W21 | 73 | 1610 | Beta-Gamma-Delta | Jul 24, 2004 | Jul 31, 2004 | Aug 14, 2004 |
| № 649 | S11 | W87 | 02 | 0060 | Alpha | Jul 19, 2004 | Jul 26, 2004 | Aug 9, 2004 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1975 to July 2004. The gray background is the average SSN index.
