Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on November 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 505 | S22 | E60 | 03 | 0020 | Beta | Nov 23, 2003 | Nov 30, 2003 | Dec 14, 2003 |
| № 503 | N17 | W16 | 03 | 0010 | Beta | Nov 18, 2003 | Nov 24, 2003 | Dec 8, 2003 |
| № 502 | N07 | E06 | 01 | 0000 | Alpha | Nov 19, 2003 | Nov 26, 2003 | Dec 10, 2003 |
| № 501 | N03 | E24 | 25 | 0370 | Beta-Gamma | Nov 21, 2003 | Nov 27, 2003 | Dec 11, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to November 2003. The gray background is the average SSN index.