Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 28, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 273 | N06 | W18 | 08 | 0020 | Beta | Jan 28, 2003 | Feb 3, 2003 | Feb 17, 2003 |
| № 272 | S08 | E11 | 07 | 0010 | Beta | Jan 30, 2003 | Feb 6, 2003 | Feb 19, 2003 |
| № 271 | S05 | W35 | 06 | 0030 | Beta | Jan 26, 2003 | Feb 2, 2003 | Feb 16, 2003 |
| № 270 | S03 | W50 | 03 | 0020 | Beta | Jan 25, 2003 | Feb 1, 2003 | Feb 15, 2003 |
| № 269 | S07 | W02 | 03 | 0080 | Beta | Jan 29, 2003 | Feb 5, 2003 | Feb 18, 2003 |
| № 268 | N16 | W56 | 05 | 0060 | Beta | Jan 25, 2003 | Feb 1, 2003 | Feb 14, 2003 |
| № 267 | S19 | W13 | 07 | 0030 | Beta | Jan 28, 2003 | Feb 4, 2003 | Feb 18, 2003 |
| № 266 | S21 | W40 | 15 | 0130 | Beta-Gamma | Jan 26, 2003 | Feb 2, 2003 | Feb 16, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to January 2003. The gray background is the average SSN index.
