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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 25, 2003. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 321 | N05 | E78 | 03 | 0060 | Beta | Apr 1, 2003 | Apr 8, 2003 | Apr 21, 2003 |
| № 320 | N05 | E07 | 05 | 0030 | Beta | Mar 27, 2003 | Apr 2, 2003 | Apr 16, 2003 |
| № 319 | N13 | E40 | 09 | 0040 | Beta | Mar 29, 2003 | Apr 5, 2003 | Apr 18, 2003 |
| № 318 | S15 | E49 | 07 | 0060 | Beta | Mar 30, 2003 | Apr 6, 2003 | Apr 19, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to March 2003. The gray background is the average SSN index.
