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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 13, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 224 | S16 | E72 | 03 | 0090 | Beta | Dec 19, 2002 | Dec 26, 2002 | Jan 9, 2003 |
| № 223 | N23 | E73 | 01 | 0070 | Alpha | Dec 19, 2002 | Dec 26, 2002 | Jan 9, 2003 |
| № 222 | S12 | W14 | 07 | 0010 | Beta | Dec 13, 2002 | Dec 20, 2002 | Jan 2, 2003 |
| № 221 | N23 | E24 | 02 | 0010 | Beta | Dec 16, 2002 | Dec 23, 2002 | Jan 5, 2003 |
| № 220 | S12 | E09 | 17 | 0190 | Beta | Dec 15, 2002 | Dec 21, 2002 | Jan 4, 2003 |
| № 218 | S19 | E19 | 02 | 0020 | Beta | Dec 15, 2002 | Dec 22, 2002 | Jan 5, 2003 |
| № 217 | N14 | E06 | 02 | 0000 | Alpha | Dec 14, 2002 | Dec 21, 2002 | Jan 4, 2003 |
| № 215 | S17 | W19 | 01 | 0030 | Alpha | Dec 12, 2002 | Dec 19, 2002 | Jan 2, 2003 |
| № 213 | N17 | W39 | 04 | 0010 | Beta | Dec 11, 2002 | Dec 18, 2002 | Dec 31, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to December 2002. The gray background is the average SSN index.
