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) | |
|---|---|---|---|---|---|---|---|---|
| № 536 | S11 | E73 | 01 | 0380 | Alpha | Jan 9, 2004 | Jan 15, 2004 | Jan 29, 2004 |
| № 535 | S19 | W38 | 03 | 0020 | Beta | Dec 31, 2003 | Jan 7, 2004 | Jan 21, 2004 |
| № 534 | S06 | E28 | 13 | 0090 | Beta | Jan 5, 2004 | Jan 12, 2004 | Jan 25, 2004 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1975, January to 2004, January. Gray background - average solar cycle.
