Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 232 | N13 | W15 | 03 | 0020 | Beta | Dec 22, 2002 | Dec 29, 2002 | Jan 12, 2003 |
| № 231 | S25 | W20 | 10 | 0050 | Beta | Dec 22, 2002 | Dec 29, 2002 | Jan 12, 2003 |
| № 230 | S08 | W01 | 22 | 0220 | Beta-Gamma | Dec 23, 2002 | Dec 30, 2002 | Jan 13, 2003 |
| № 229 | N19 | W36 | 11 | 0080 | Beta-Gamma | Dec 21, 2002 | Dec 28, 2002 | Jan 10, 2003 |
| № 226 | S28 | W61 | 26 | 0360 | Beta-Gamma-Delta | Dec 19, 2002 | Dec 26, 2002 | Jan 9, 2003 |
| № 224 | S14 | W52 | 22 | 0150 | Beta | Dec 20, 2002 | Dec 26, 2002 | Jan 9, 2003 |
| № 223 | N25 | W52 | 04 | 0050 | Beta | Dec 20, 2002 | Dec 26, 2002 | Jan 9, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to December 2002. The gray background is the average SSN index.
