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) | |
|---|---|---|---|---|---|---|---|---|
| № 326 | S13 | E63 | 01 | 0050 | Alpha | Apr 5, 2003 | Apr 12, 2003 | Apr 25, 2003 |
| № 325 | N13 | E55 | 01 | 0300 | Alpha | Apr 4, 2003 | Apr 11, 2003 | Apr 25, 2003 |
| № 324 | S14 | E42 | 03 | 0020 | Beta | Apr 3, 2003 | Apr 10, 2003 | Apr 24, 2003 |
| № 323 | S08 | W00 | 20 | 0120 | Beta | Mar 31, 2003 | Apr 7, 2003 | Apr 20, 2003 |
| № 321 | N04 | E12 | 17 | 0200 | Beta | Apr 1, 2003 | Apr 8, 2003 | Apr 21, 2003 |
| № 320 | N07 | W62 | 06 | 0040 | Beta | Mar 26, 2003 | Apr 2, 2003 | Apr 16, 2003 |
| № 319 | N12 | W29 | 13 | 0300 | Beta | Mar 29, 2003 | Apr 5, 2003 | Apr 18, 2003 |
| № 318 | S14 | W19 | 14 | 0090 | Beta | Mar 29, 2003 | Apr 5, 2003 | Apr 19, 2003 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1974, January to 2003, March. Gray background - average solar cycle.
