Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 517 | S08 | W20 | 16 | 0160 | Beta | Dec 7, 2003 | Dec 14, 2003 | Dec 28, 2003 |
| № 516 | S17 | W52 | 06 | 0090 | Beta | Dec 5, 2003 | Dec 12, 2003 | Dec 26, 2003 |
| № 513 | N11 | W75 | 01 | 0060 | Alpha | Dec 3, 2003 | Dec 10, 2003 | Dec 24, 2003 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1974, January to 2003, December. Gray background - average solar cycle.
