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) | |
|---|---|---|---|---|---|---|---|---|
| № 736 | N13 | W63 | 07 | 0120 | Beta | Feb 18, 2005 | Feb 25, 2005 | Mar 11, 2005 |
| № 735 | S09 | W71 | 06 | 0440 | Beta-Gamma | Feb 18, 2005 | Feb 24, 2005 | Mar 10, 2005 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1976, January to 2005, February. Gray background - average solar cycle.
