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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 12, 2003. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 254 | S16 | E63 | 11 | 0190 | Beta | Jan 18, 2003 | Jan 25, 2003 | Feb 7, 2003 |
| № 253 | N09 | W48 | 11 | 0060 | Beta | Jan 9, 2003 | Jan 16, 2003 | Jan 30, 2003 |
| № 252 | S03 | E33 | 03 | 0020 | Alpha | Jan 15, 2003 | Jan 22, 2003 | Feb 5, 2003 |
| № 251 | S14 | E32 | 34 | 0380 | Beta | Jan 15, 2003 | Jan 22, 2003 | Feb 5, 2003 |
| № 250 | S27 | E27 | 07 | 0180 | Beta | Jan 15, 2003 | Jan 22, 2003 | Feb 5, 2003 |
| № 249 | S15 | W34 | 04 | 0040 | Alpha | Jan 10, 2003 | Jan 17, 2003 | Jan 31, 2003 |
| № 247 | S17 | E07 | 46 | 0300 | Beta | Jan 14, 2003 | Jan 20, 2003 | Feb 3, 2003 |
| № 244 | S22 | W56 | 04 | 0020 | Beta | Jan 9, 2003 | Jan 16, 2003 | Jan 29, 2003 |
| № 242 | S07 | W61 | 28 | 0300 | Beta-Gamma | Jan 8, 2003 | Jan 15, 2003 | Jan 29, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to January 2003. The gray background is the average SSN index.
