Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 1, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 717 | N07 | W54 | 03 | 0010 | Beta | Dec 29, 2004 | Jan 5, 2005 | Jan 18, 2005 |
| № 716 | S14 | E39 | 05 | 0020 | Beta | Jan 5, 2005 | Jan 12, 2005 | Jan 25, 2005 |
| № 715 | N04 | E36 | 22 | 0220 | Beta-Gamma-Delta | Jan 5, 2005 | Jan 11, 2005 | Jan 25, 2005 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to January 2005. The gray background is the average SSN index.
