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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 13, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 256 | S17 | E55 | 05 | 0080 | Beta | Jan 18, 2003 | Jan 25, 2003 | Feb 8, 2003 |
| № 255 | S13 | E14 | 09 | 0200 | Beta | Jan 15, 2003 | Jan 22, 2003 | Feb 4, 2003 |
| № 254 | S16 | E44 | 06 | 0130 | Beta | Jan 17, 2003 | Jan 24, 2003 | Feb 7, 2003 |
| № 253 | N09 | W61 | 04 | 0030 | Beta | Jan 9, 2003 | Jan 16, 2003 | Jan 30, 2003 |
| № 252 | S03 | E18 | 02 | 0010 | Alpha | Jan 15, 2003 | Jan 22, 2003 | Feb 5, 2003 |
| № 251 | S14 | E21 | 24 | 0120 | Beta | Jan 16, 2003 | Jan 22, 2003 | Feb 5, 2003 |
| № 250 | S27 | E13 | 09 | 0180 | Beta | Jan 15, 2003 | Jan 22, 2003 | Feb 5, 2003 |
| № 249 | S15 | W47 | 03 | 0040 | Beta | Jan 10, 2003 | Jan 17, 2003 | Jan 31, 2003 |
| № 247 | S16 | W07 | 44 | 0230 | Beta | Jan 13, 2003 | Jan 20, 2003 | Feb 3, 2003 |
| № 244 | S22 | W71 | 04 | 0020 | Beta | Jan 9, 2003 | Jan 15, 2003 | Jan 29, 2003 |
| № 242 | S07 | W75 | 12 | 0170 | Beta | 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.
