Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 12, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 479 | N23 | E48 | 01 | 0030 | Alpha | Oct 17, 2003 | Oct 24, 2003 | Nov 7, 2003 |
| № 478 | N12 | W35 | 01 | 0010 | Alpha | Oct 11, 2003 | Oct 17, 2003 | Oct 31, 2003 |
| № 477 | S14 | W00 | 06 | 0050 | Beta | Oct 13, 2003 | Oct 20, 2003 | Nov 3, 2003 |
| № 473 | S08 | W93 | 01 | 0080 | Alpha | Oct 6, 2003 | Oct 13, 2003 | Oct 27, 2003 |
| № 471 | S07 | W74 | 18 | 0110 | Beta | Oct 8, 2003 | Oct 15, 2003 | Oct 28, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to October 2003. The gray background is the average SSN index.
