Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 567 | S12 | W14 | 21 | 0160 | Beta-Gamma | Mar 4, 2004 | Mar 11, 2004 | Mar 24, 2004 |
| № 565 | S02 | W91 | 01 | 0080 | Alpha | Feb 27, 2004 | Mar 5, 2004 | Mar 18, 2004 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1975 to March 2004. The gray background is the average SSN index.
