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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 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) | |
|---|---|---|---|---|---|---|---|---|
| № 295 | S19 | E65 | 03 | 0070 | Beta | Mar 6, 2003 | Mar 13, 2003 | Mar 27, 2003 |
| № 294 | S08 | E42 | 06 | 0040 | Beta | Mar 4, 2003 | Mar 11, 2003 | Mar 25, 2003 |
| № 293 | S21 | E26 | 03 | 0010 | Beta | Mar 3, 2003 | Mar 10, 2003 | Mar 24, 2003 |
| № 292 | S07 | W42 | 03 | 0020 | Beta | Feb 26, 2003 | Mar 5, 2003 | Mar 18, 2003 |
| № 290 | N18 | W75 | 06 | 0080 | Beta | Feb 23, 2003 | Mar 2, 2003 | Mar 16, 2003 |
| № 288 | N14 | W94 | 01 | 0030 | Alpha | Feb 22, 2003 | Mar 1, 2003 | Mar 14, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to February 2003. The gray background is the average SSN index.
