Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 21, 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 | N05 | E40 | 46 | 1420 | Beta-Gamma-Delta | Oct 25, 2003 | Nov 1, 2003 | Nov 14, 2003 |
| № 483 | S11 | E27 | 07 | 0020 | Beta | Oct 24, 2003 | Oct 31, 2003 | Nov 13, 2003 |
| № 482 | N15 | E20 | 07 | 0030 | Alpha | Oct 24, 2003 | Oct 30, 2003 | Nov 13, 2003 |
| № 481 | S09 | W63 | 01 | 0020 | Alpha | Oct 17, 2003 | Oct 24, 2003 | Nov 7, 2003 |
| № 479 | N25 | W72 | 02 | 0010 | Beta | Oct 16, 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.
