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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 11, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 221 | N23 | E48 | 01 | 0020 | Alpha | Dec 16, 2002 | Dec 23, 2002 | Jan 6, 2003 |
| № 220 | S12 | E33 | 16 | 0310 | Beta-Gamma | Dec 14, 2002 | Dec 21, 2002 | Jan 4, 2003 |
| № 219 | S06 | W38 | 01 | 0010 | Alpha | Dec 9, 2002 | Dec 16, 2002 | Dec 29, 2002 |
| № 218 | S18 | E42 | 03 | 0060 | Beta | Dec 15, 2002 | Dec 22, 2002 | Jan 5, 2003 |
| № 217 | N12 | E29 | 01 | 0010 | Alpha | Dec 14, 2002 | Dec 21, 2002 | Jan 4, 2003 |
| № 216 | S23 | W66 | 02 | 0020 | Beta | Dec 7, 2002 | Dec 14, 2002 | Dec 28, 2002 |
| № 215 | S18 | E04 | 10 | 0060 | Beta | Dec 12, 2002 | Dec 19, 2002 | Jan 2, 2003 |
| № 213 | N15 | W12 | 01 | 0010 | Alpha | Dec 11, 2002 | Dec 18, 2002 | Jan 1, 2003 |
| № 212 | N14 | W31 | 06 | 0030 | Beta | Dec 10, 2002 | Dec 16, 2002 | Dec 30, 2002 |
| № 209 | S17 | W79 | 01 | 0050 | Alpha | Dec 6, 2002 | Dec 13, 2002 | Dec 27, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to December 2002. The gray background is the average SSN index.
