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) | |
|---|---|---|---|---|---|---|---|---|
| № 726 | S01 | W02 | 02 | 0010 | Alpha | Jan 25, 2005 | Feb 1, 2005 | Feb 14, 2005 |
| № 725 | S03 | W64 | 07 | 0150 | Beta | Jan 20, 2005 | Jan 27, 2005 | Feb 9, 2005 |
| № 723 | N06 | W04 | 01 | 0070 | Alpha | Jan 25, 2005 | Jan 31, 2005 | Feb 14, 2005 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1976, January to 2005, January. Gray background - average solar cycle.

