Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 351 | N08 | E38 | 01 | 0240 | Alpha | May 8, 2003 | May 15, 2003 | May 28, 2003 |
| № 349 | S14 | W34 | 52 | 0820 | Beta-Gamma | May 2, 2003 | May 9, 2003 | May 23, 2003 |
| № 348 | S35 | W27 | 10 | 0040 | Beta | May 3, 2003 | May 10, 2003 | May 25, 2003 |
| № 346 | N14 | W40 | 01 | 0070 | Alpha | May 2, 2003 | May 9, 2003 | May 22, 2003 |
| № 345 | S17 | W46 | 06 | 0110 | Beta | May 2, 2003 | May 8, 2003 | May 22, 2003 |
| № 344 | N16 | W81 | 04 | 0160 | Beta | Apr 29, 2003 | May 6, 2003 | May 19, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to May 2003. The gray background is the average SSN index.
