Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 2, 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 | W73 | 04 | 0030 | Beta | Dec 29, 2004 | Jan 4, 2005 | Jan 18, 2005 |
| № 716 | S14 | E24 | 01 | 0020 | Beta | Jan 5, 2005 | Jan 12, 2005 | Jan 25, 2005 |
| № 715 | N05 | E21 | 16 | 0180 | Beta-Gamma | 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.
