Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 6, 2004. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 536 | S11 | E25 | 35 | 0960 | Beta-Gamma | Jan 9, 2004 | Jan 16, 2004 | Jan 29, 2004 |
| № 535 | S22 | W86 | 02 | 0020 | Alpha | Dec 31, 2003 | Jan 7, 2004 | Jan 21, 2004 |
| № 534 | S06 | W23 | 13 | 0070 | Beta | Jan 5, 2004 | Jan 12, 2004 | Jan 26, 2004 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1975 to January 2004. The gray background is the average SSN index.
