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) | |
|---|---|---|---|---|---|---|---|---|
| № 521 | S11 | E82 | 02 | 0060 | Beta | Dec 18, 2003 | Dec 25, 2003 | Jan 8, 2004 |
| № 520 | N03 | E75 | 02 | 0120 | Alpha | Dec 18, 2003 | Dec 24, 2003 | Jan 7, 2004 |
| № 517 | S08 | W64 | 01 | 0070 | Alpha | Dec 7, 2003 | Dec 14, 2003 | Dec 28, 2003 |
| № 516 | S16 | W92 | 01 | 0060 | Alpha | Dec 5, 2003 | Dec 12, 2003 | Dec 26, 2003 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1974, January to 2003, December. Gray background - average solar cycle.
