Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 230 | S08 | E59 | 05 | 0070 | Beta | Dec 23, 2002 | Dec 30, 2002 | Jan 13, 2003 |
| № 229 | N19 | E24 | 38 | 0320 | Beta-Gamma | Dec 21, 2002 | Dec 28, 2002 | Jan 10, 2003 |
| № 227 | N07 | W20 | 19 | 0090 | Beta-Gamma | Dec 17, 2002 | Dec 24, 2002 | Jan 7, 2003 |
| № 226 | S28 | W01 | 42 | 0560 | Beta-Gamma-Delta | Dec 19, 2002 | Dec 26, 2002 | Jan 9, 2003 |
| № 225 | N17 | E11 | 14 | 0110 | Beta-Gamma | Dec 20, 2002 | Dec 27, 2002 | Jan 9, 2003 |
| № 224 | S14 | E06 | 26 | 0160 | Beta | Dec 19, 2002 | Dec 26, 2002 | Jan 9, 2003 |
| № 223 | N25 | E08 | 11 | 0140 | Beta | Dec 20, 2002 | Dec 27, 2002 | Jan 10, 2003 |
| № 220 | S13 | W64 | 03 | 0080 | Alpha | Dec 14, 2002 | Dec 21, 2002 | Jan 4, 2003 |
| № 218 | S18 | W49 | 04 | 0020 | Beta | 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.
