Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 20, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 484 | N06 | E49 | 28 | 1030 | Beta-Gamma-Delta | Oct 25, 2003 | Nov 1, 2003 | Nov 14, 2003 |
| № 483 | S09 | E36 | 02 | 0010 | Beta | Oct 24, 2003 | Oct 31, 2003 | Nov 13, 2003 |
| № 482 | N16 | E30 | 05 | 0050 | Beta | Oct 24, 2003 | Oct 30, 2003 | Nov 13, 2003 |
| № 481 | S09 | W52 | 03 | 0010 | Alpha | Oct 17, 2003 | Oct 24, 2003 | Nov 7, 2003 |
| № 479 | N25 | W62 | 01 | 0010 | Alpha | Oct 17, 2003 | Oct 23, 2003 | Nov 6, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to October 2003. The gray background is the average SSN index.