Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 1, 2003. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 240 | S06 | E20 | 07 | 0040 | Beta | Jan 4, 2003 | Jan 10, 2003 | Jan 24, 2003 |
| № 239 | S10 | E10 | 12 | 0070 | Beta | Jan 3, 2003 | Jan 10, 2003 | Jan 23, 2003 |
| № 234 | N20 | W21 | 01 | 0040 | Alpha | Dec 31, 2002 | Jan 7, 2003 | Jan 21, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to January 2003. The gray background is the average SSN index.
