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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 28, 2002. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 236 | N17 | W27 | 04 | 0030 | Beta | Dec 27, 2002 | Jan 3, 2003 | Jan 16, 2003 |
| № 235 | N13 | E05 | 02 | 0010 | Beta | Dec 29, 2002 | Jan 5, 2003 | Jan 19, 2003 |
| № 234 | N18 | E32 | 01 | 0050 | Alpha | Dec 31, 2002 | Jan 7, 2003 | Jan 21, 2003 |
| № 231 | S25 | W89 | 04 | 0050 | Beta | Dec 22, 2002 | Dec 29, 2002 | Jan 12, 2003 |
| № 230 | S08 | W77 | 02 | 0060 | Alpha | Dec 23, 2002 | Dec 30, 2002 | Jan 13, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to December 2002. The gray background is the average SSN index.
