Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 16, 2005. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 720 | N13 | W03 | 54 | 1620 | Beta-Delta | Jan 17, 2005 | Jan 24, 2005 | Feb 6, 2005 |
| № 718 | S07 | W21 | 26 | 0360 | Beta-Gamma | Jan 15, 2005 | Jan 22, 2005 | Feb 5, 2005 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to January 2005. The gray background is the average SSN index.
