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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 16, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 288 | N12 | E72 | 01 | 0010 | Alpha | Feb 22, 2003 | Mar 1, 2003 | Mar 15, 2003 |
| № 287 | N12 | W63 | 04 | 0040 | Alpha | Feb 12, 2003 | Feb 19, 2003 | Mar 5, 2003 |
| № 285 | S11 | W14 | 08 | 0020 | Beta | Feb 16, 2003 | Feb 23, 2003 | Mar 8, 2003 |
| № 283 | N00 | W52 | 05 | 0020 | Beta | Feb 13, 2003 | Feb 20, 2003 | Mar 5, 2003 |
| № 282 | N10 | W71 | 03 | 0100 | Beta | Feb 12, 2003 | Feb 18, 2003 | Mar 4, 2003 |
| № 281 | S15 | W45 | 03 | 0010 | Alpha | Feb 14, 2003 | Feb 20, 2003 | Mar 6, 2003 |
| № 278 | N18 | W68 | 02 | 0010 | Alpha | Feb 12, 2003 | Feb 19, 2003 | Mar 4, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to February 2003. The gray background is the average SSN index.
