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) | |
|---|---|---|---|---|---|---|---|---|
| № 722 | N19 | E04 | 01 | 0000 | Alpha | Jan 18, 2005 | Jan 25, 2005 | Feb 8, 2005 |
| № 721 | S03 | E14 | 02 | 0020 | Beta | Jan 19, 2005 | Jan 26, 2005 | Feb 8, 2005 |
| № 720 | N13 | W15 | 37 | 1630 | Beta-Delta | Jan 17, 2005 | Jan 24, 2005 | Feb 6, 2005 |
| № 718 | S07 | W34 | 19 | 0310 | Beta-Gamma | 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.
