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 | E14 | 02 | 0020 | Beta | Jan 25, 2005 | Feb 1, 2005 | Feb 14, 2005 |
| № 725 | S04 | W49 | 09 | 0190 | Beta-Gamma | Jan 20, 2005 | Jan 27, 2005 | Feb 10, 2005 |
| № 723 | N07 | E07 | 03 | 0120 | Beta | Jan 25, 2005 | Jan 31, 2005 | Feb 14, 2005 |
| № 720 | N11 | W93 | 06 | 0900 | 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.

