Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 17, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 229 | N18 | E37 | 28 | 0410 | Beta-Gamma | Dec 21, 2002 | Dec 28, 2002 | Jan 10, 2003 |
| № 228 | S17 | E37 | 01 | 0010 | Alpha | Dec 21, 2002 | Dec 28, 2002 | Jan 10, 2003 |
| № 227 | N07 | W07 | 09 | 0070 | Beta-Gamma | Dec 17, 2002 | Dec 24, 2002 | Jan 7, 2003 |
| № 226 | S28 | E12 | 28 | 0320 | Beta-Gamma | Dec 19, 2002 | Dec 26, 2002 | Jan 9, 2003 |
| № 225 | N17 | E23 | 15 | 0100 | Beta-Gamma | Dec 20, 2002 | Dec 27, 2002 | Jan 9, 2003 |
| № 224 | S15 | E22 | 13 | 0120 | Beta | Dec 20, 2002 | Dec 26, 2002 | Jan 9, 2003 |
| № 223 | N24 | E21 | 08 | 0110 | Beta | Dec 20, 2002 | Dec 27, 2002 | Jan 9, 2003 |
| № 220 | S12 | W50 | 01 | 0040 | Alpha | Dec 14, 2002 | Dec 21, 2002 | Jan 4, 2003 |
| № 218 | S17 | W39 | 01 | 0020 | Alpha | Dec 15, 2002 | Dec 22, 2002 | Jan 5, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to December 2002. The gray background is the average SSN index.
