Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 1, 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 | N06 | E78 | 01 | 0090 | Alpha | May 8, 2003 | May 14, 2003 | May 28, 2003 |
| № 350 | S12 | W56 | 06 | 0070 | Beta | Apr 28, 2003 | May 4, 2003 | May 18, 2003 |
| № 349 | S13 | E09 | 45 | 0740 | Beta-Gamma | May 3, 2003 | May 9, 2003 | May 23, 2003 |
| № 348 | S36 | E13 | 05 | 0020 | Beta | May 3, 2003 | May 10, 2003 | May 25, 2003 |
| № 346 | N16 | W00 | 01 | 0060 | Alpha | May 2, 2003 | May 9, 2003 | May 22, 2003 |
| № 345 | S17 | W04 | 09 | 0110 | Beta | May 2, 2003 | May 8, 2003 | May 22, 2003 |
| № 344 | N15 | W39 | 09 | 0220 | Beta-Gamma | Apr 29, 2003 | May 6, 2003 | May 19, 2003 |
| № 337 | S16 | W79 | 04 | 0080 | Beta | Apr 26, 2003 | May 3, 2003 | May 16, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to May 2003. The gray background is the average SSN index.
