Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 351 | N08 | E39 | 01 | 0240 | Alpha | May 8, 2003 | May 15, 2003 | May 28, 2003 |
| № 349 | S14 | W33 | 52 | 0820 | Beta-Gamma | May 2, 2003 | May 9, 2003 | May 23, 2003 |
| № 348 | S35 | W26 | 10 | 0040 | Beta | May 3, 2003 | May 10, 2003 | May 25, 2003 |
| № 346 | N14 | W39 | 01 | 0070 | Alpha | May 2, 2003 | May 9, 2003 | May 22, 2003 |
| № 345 | S17 | W45 | 06 | 0110 | Beta | May 2, 2003 | May 8, 2003 | May 22, 2003 |
| № 344 | N16 | W80 | 04 | 0160 | Beta | Apr 29, 2003 | May 6, 2003 | May 19, 2003 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1974, January to 2003, May. Gray background - average solar cycle.
