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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 11, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 479 | N24 | E65 | 01 | 0020 | Alpha | Oct 17, 2003 | Oct 24, 2003 | Nov 7, 2003 |
| № 478 | N09 | W18 | 01 | 0010 | Alpha | Oct 10, 2003 | Oct 17, 2003 | Oct 31, 2003 |
| № 477 | S15 | E21 | 04 | 0040 | Beta | Oct 13, 2003 | Oct 20, 2003 | Nov 3, 2003 |
| № 473 | S08 | W72 | 01 | 0090 | Alpha | Oct 6, 2003 | Oct 13, 2003 | Oct 27, 2003 |
| № 471 | S08 | W55 | 22 | 0090 | Beta | Oct 8, 2003 | Oct 14, 2003 | Oct 28, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to October 2003. The gray background is the average SSN index.
