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 | S02 | E27 | 03 | 0040 | Beta | Jan 25, 2005 | Feb 1, 2005 | Feb 14, 2005 |
| № 725 | S04 | W36 | 08 | 0090 | Beta | Jan 20, 2005 | Jan 27, 2005 | Feb 10, 2005 |
| № 723 | N06 | E22 | 01 | 0070 | Alpha | Jan 25, 2005 | Jan 31, 2005 | Feb 14, 2005 |
| № 720 | N13 | W83 | 17 | 1090 | Beta-Gamma-Delta | Jan 17, 2005 | Jan 24, 2005 | Feb 6, 2005 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1976, January to 2005, January. Gray background - average solar cycle.

