Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 466 | S04 | E68 | 01 | 0030 | Alpha | Sep 29, 2003 | Oct 6, 2003 | Oct 20, 2003 |
| № 465 | S02 | E46 | 07 | 0060 | Beta | Sep 28, 2003 | Oct 5, 2003 | Oct 18, 2003 |
| № 464 | N06 | E45 | 17 | 0560 | Beta-Gamma | Sep 28, 2003 | Oct 4, 2003 | Oct 18, 2003 |
| № 463 | N09 | E02 | 01 | 0050 | Alpha | Sep 24, 2003 | Oct 1, 2003 | Oct 15, 2003 |
| № 460 | N16 | W23 | 02 | 0010 | Beta | Sep 23, 2003 | Sep 29, 2003 | Oct 13, 2003 |
| № 459 | S12 | W73 | 03 | 0030 | Beta | Sep 19, 2003 | Sep 26, 2003 | Oct 9, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to September 2003. The gray background is the average SSN index.
