Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 29, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 349 | S14 | E34 | 29 | 0390 | Beta-Gamma | May 3, 2003 | May 9, 2003 | May 23, 2003 |
| № 348 | S36 | E32 | 09 | 0030 | Beta | May 3, 2003 | May 10, 2003 | May 24, 2003 |
| № 347 | S20 | E10 | 03 | 0010 | Beta | May 1, 2003 | May 8, 2003 | May 21, 2003 |
| № 346 | N16 | E24 | 02 | 0090 | Alpha | May 2, 2003 | May 9, 2003 | May 22, 2003 |
| № 345 | S17 | E22 | 13 | 0210 | Beta | May 2, 2003 | May 8, 2003 | May 22, 2003 |
| № 344 | N16 | W13 | 16 | 0450 | Beta-Gamma-Delta | Apr 29, 2003 | May 6, 2003 | May 19, 2003 |
| № 337 | S14 | W52 | 19 | 0270 | Beta-Gamma-Delta | Apr 26, 2003 | May 3, 2003 | May 16, 2003 |
| № 336 | N14 | W68 | 04 | 0010 | Beta | Apr 25, 2003 | May 2, 2003 | May 15, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to April 2003. The gray background is the average SSN index.