Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 518 | S22 | E10 | 01 | 0000 | Alpha | Dec 6, 2003 | Dec 13, 2003 | Dec 27, 2003 |
| № 517 | S06 | E33 | 07 | 0270 | Beta | Dec 7, 2003 | Dec 14, 2003 | Dec 28, 2003 |
| № 516 | S16 | E04 | 09 | 0060 | Beta | Dec 5, 2003 | Dec 12, 2003 | Dec 26, 2003 |
| № 515 | S03 | W01 | 06 | 0040 | Beta | Dec 5, 2003 | Dec 12, 2003 | Dec 25, 2003 |
| № 513 | N12 | W21 | 01 | 0060 | Alpha | Dec 3, 2003 | Dec 10, 2003 | Dec 24, 2003 |
| № 510 | S23 | W58 | 05 | 0030 | Beta | Dec 1, 2003 | Dec 7, 2003 | Dec 21, 2003 |
| № 509 | S11 | W67 | 01 | 0010 | Alpha | Nov 30, 2003 | Dec 7, 2003 | Dec 20, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to December 2003. The gray background is the average SSN index.
