Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 30, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 326 | S13 | E62 | 01 | 0050 | Alpha | Apr 5, 2003 | Apr 12, 2003 | Apr 25, 2003 |
| № 325 | N13 | E54 | 01 | 0300 | Alpha | Apr 4, 2003 | Apr 11, 2003 | Apr 25, 2003 |
| № 324 | S14 | E41 | 03 | 0020 | Beta | Apr 3, 2003 | Apr 10, 2003 | Apr 24, 2003 |
| № 323 | S08 | W01 | 20 | 0120 | Beta | Mar 31, 2003 | Apr 7, 2003 | Apr 20, 2003 |
| № 321 | N04 | E11 | 17 | 0200 | Beta | Apr 1, 2003 | Apr 8, 2003 | Apr 21, 2003 |
| № 320 | N07 | W63 | 06 | 0040 | Beta | Mar 26, 2003 | Apr 2, 2003 | Apr 16, 2003 |
| № 319 | N12 | W30 | 13 | 0300 | Beta | Mar 29, 2003 | Apr 5, 2003 | Apr 18, 2003 |
| № 318 | S14 | W20 | 14 | 0090 | Beta | Mar 29, 2003 | Apr 5, 2003 | Apr 19, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to March 2003. The gray background is the average SSN index.
