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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 30, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 533 | N16 | E40 | 01 | 0010 | Alpha | Jan 3, 2004 | Jan 10, 2004 | Jan 23, 2004 |
| № 532 | S12 | W49 | 01 | 0020 | Alpha | Dec 27, 2003 | Jan 3, 2004 | Jan 17, 2004 |
| № 530 | S22 | W48 | 02 | 0010 | Beta | Dec 27, 2003 | Jan 3, 2004 | Jan 17, 2004 |
| № 528 | N08 | W67 | 12 | 0430 | Beta | Dec 26, 2003 | Jan 2, 2004 | Jan 15, 2004 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to December 2003. The gray background is the average SSN index.
