Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 30, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 275 | S11 | W06 | 02 | 0010 | Beta | Jan 30, 2003 | Feb 6, 2003 | Feb 20, 2003 |
| № 274 | S07 | E59 | 01 | 0170 | Alpha | Feb 4, 2003 | Feb 11, 2003 | Feb 25, 2003 |
| № 273 | N06 | W43 | 20 | 0110 | Beta | Jan 28, 2003 | Feb 3, 2003 | Feb 17, 2003 |
| № 272 | S06 | W13 | 25 | 0070 | Beta | Jan 30, 2003 | Feb 6, 2003 | Feb 19, 2003 |
| № 271 | S06 | W60 | 07 | 0070 | Beta | Jan 26, 2003 | Feb 2, 2003 | Feb 16, 2003 |
| № 270 | S04 | W77 | 01 | 0020 | Alpha | Jan 25, 2003 | Feb 1, 2003 | Feb 14, 2003 |
| № 269 | S07 | W27 | 04 | 0080 | Beta | Jan 29, 2003 | Feb 5, 2003 | Feb 18, 2003 |
| № 268 | N15 | W82 | 03 | 0030 | Beta | Jan 25, 2003 | Jan 31, 2003 | Feb 14, 2003 |
| № 267 | S19 | W35 | 03 | 0020 | Alpha | Jan 28, 2003 | Feb 4, 2003 | Feb 18, 2003 |
| № 266 | S21 | W66 | 07 | 0100 | Beta | Jan 26, 2003 | Feb 2, 2003 | Feb 15, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to January 2003. The gray background is the average SSN index.
