Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 7, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 570 | S13 | E72 | 07 | 0340 | Beta | Mar 13, 2004 | Mar 20, 2004 | Apr 3, 2004 |
| № 569 | S11 | E05 | 07 | 0070 | Beta | Mar 8, 2004 | Mar 15, 2004 | Mar 29, 2004 |
| № 567 | S12 | W53 | 17 | 0210 | Beta-Gamma | Mar 4, 2004 | Mar 11, 2004 | Mar 24, 2004 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1975 to March 2004. The gray background is the average SSN index.
