Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 531 | N01 | W19 | 05 | 0010 | Beta | Dec 22, 2003 | Dec 29, 2003 | Jan 12, 2004 |
| № 530 | S21 | E52 | 01 | 0020 | Alpha | Dec 28, 2003 | Jan 4, 2004 | Jan 18, 2004 |
| № 528 | N09 | E25 | 45 | 0410 | Beta-Gamma | Dec 26, 2003 | Jan 2, 2004 | Jan 15, 2004 |
| № 525 | N08 | W08 | 28 | 0080 | Beta | Dec 23, 2003 | Dec 30, 2003 | Jan 13, 2004 |
| № 523 | S18 | E01 | 12 | 0020 | Beta | Dec 24, 2003 | Dec 31, 2003 | Jan 14, 2004 |
| № 520 | N03 | W82 | 01 | 0090 | Alpha | Dec 18, 2003 | Dec 24, 2003 | Jan 7, 2004 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to December 2003. The gray background is the average SSN index.
