Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 31, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 452 | S06 | W09 | 01 | 0000 | Alpha | Sep 1, 2003 | Sep 7, 2003 | Sep 21, 2003 |
| № 450 | S18 | E48 | 01 | 0070 | Alpha | Sep 5, 2003 | Sep 12, 2003 | Sep 26, 2003 |
| № 449 | S15 | E35 | 04 | 0130 | Beta | Sep 4, 2003 | Sep 11, 2003 | Sep 24, 2003 |
| № 448 | N20 | E02 | 09 | 0090 | Beta | Sep 1, 2003 | Sep 8, 2003 | Sep 22, 2003 |
| № 447 | N15 | W41 | 02 | 0010 | Alpha | Aug 29, 2003 | Sep 5, 2003 | Sep 19, 2003 |
| № 445 | N03 | W36 | 04 | 0040 | Beta | Aug 30, 2003 | Sep 5, 2003 | Sep 19, 2003 |
| № 444 | N09 | W37 | 06 | 0040 | Beta | Aug 30, 2003 | Sep 5, 2003 | Sep 19, 2003 |
| № 442 | S12 | W39 | 02 | 0080 | Beta | Aug 29, 2003 | Sep 5, 2003 | Sep 19, 2003 |
| № 441 | N15 | W84 | 01 | 0020 | Alpha | Aug 26, 2003 | Sep 2, 2003 | Sep 15, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to August 2003. The gray background is the average SSN index.
