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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 29, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 326 | S12 | E70 | 01 | 0060 | Alpha | Apr 5, 2003 | Apr 11, 2003 | Apr 25, 2003 |
| № 325 | N12 | E61 | 01 | 0260 | Alpha | Apr 4, 2003 | Apr 11, 2003 | Apr 24, 2003 |
| № 324 | S14 | E49 | 03 | 0060 | Beta | Apr 3, 2003 | Apr 10, 2003 | Apr 23, 2003 |
| № 323 | S09 | E07 | 12 | 0030 | Beta | Mar 31, 2003 | Apr 7, 2003 | Apr 20, 2003 |
| № 321 | N04 | E17 | 38 | 0370 | Beta-Gamma | Apr 1, 2003 | Apr 7, 2003 | Apr 21, 2003 |
| № 320 | N06 | W52 | 11 | 0030 | Beta | Mar 26, 2003 | Apr 2, 2003 | Apr 16, 2003 |
| № 319 | N12 | W22 | 32 | 0440 | Beta-Gamma | Mar 29, 2003 | Apr 4, 2003 | Apr 18, 2003 |
| № 318 | S15 | W10 | 11 | 0030 | Beta | Mar 30, 2003 | Apr 5, 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.
