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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 1, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 274 | S07 | E32 | 01 | 0060 | Alpha | Feb 4, 2003 | Feb 11, 2003 | Feb 25, 2003 |
| № 273 | N07 | W73 | 10 | 0120 | Beta | Jan 28, 2003 | Feb 3, 2003 | Feb 17, 2003 |
| № 272 | S05 | W44 | 08 | 0050 | Beta | Jan 30, 2003 | Feb 5, 2003 | Feb 19, 2003 |
| № 271 | S05 | W91 | 02 | 0060 | Alpha | Jan 26, 2003 | Feb 2, 2003 | Feb 15, 2003 |
| № 269 | S06 | W59 | 01 | 0050 | Alpha | Jan 29, 2003 | Feb 4, 2003 | Feb 18, 2003 |
| № 267 | S16 | W66 | 01 | 0000 | Alpha | Jan 28, 2003 | Feb 4, 2003 | Feb 18, 2003 |
| № 266 | S21 | W95 | 03 | 0070 | Alpha | Jan 26, 2003 | Feb 2, 2003 | Feb 15, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to February 2003. The gray background is the average SSN index.
