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) | |
|---|---|---|---|---|---|---|---|---|
| № 713 | S09 | E34 | 20 | 0210 | Beta-Gamma | Dec 25, 2004 | Dec 31, 2004 | Jan 14, 2005 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1975, January to 2004, December. Gray background - average solar cycle.
