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) | |
|---|---|---|---|---|---|---|---|---|
| № 723 | N06 | E35 | 01 | 0080 | Alpha | Jan 25, 2005 | Jan 31, 2005 | Feb 14, 2005 |
| № 720 | N14 | W70 | 27 | 1400 | Beta-Gamma-Delta | Jan 17, 2005 | Jan 24, 2005 | Feb 6, 2005 |
| № 718 | S07 | W88 | 03 | 0100 | Beta | Jan 15, 2005 | Jan 22, 2005 | Feb 5, 2005 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1976, January to 2005, January. Gray background - average solar cycle.
