Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 15, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 259 | N13 | E75 | 02 | 0050 | Alpha | Jan 21, 2003 | Jan 28, 2003 | Feb 11, 2003 |
| № 258 | N07 | E59 | 05 | 0050 | Beta | Jan 20, 2003 | Jan 27, 2003 | Feb 10, 2003 |
| № 257 | N16 | E12 | 06 | 0020 | Beta | Jan 17, 2003 | Jan 24, 2003 | Feb 6, 2003 |
| № 256 | S16 | E31 | 01 | 0060 | Alpha | Jan 18, 2003 | Jan 25, 2003 | Feb 8, 2003 |
| № 255 | S13 | W09 | 07 | 0240 | Alpha | Jan 15, 2003 | Jan 22, 2003 | Feb 5, 2003 |
| № 254 | S14 | E20 | 06 | 0110 | Beta | Jan 17, 2003 | Jan 24, 2003 | Feb 7, 2003 |
| № 251 | S14 | W02 | 16 | 0070 | Beta | Jan 16, 2003 | Jan 22, 2003 | Feb 5, 2003 |
| № 250 | S26 | W09 | 12 | 0170 | Beta | Jan 15, 2003 | Jan 22, 2003 | Feb 5, 2003 |
| № 249 | S15 | W73 | 01 | 0010 | Alpha | Jan 10, 2003 | Jan 17, 2003 | Jan 31, 2003 |
| № 247 | S17 | W30 | 20 | 0150 | Beta | Jan 13, 2003 | Jan 20, 2003 | Feb 3, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to January 2003. The gray background is the average SSN index.
