No image for the selected date
Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 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) | |
|---|---|---|---|---|---|---|---|---|
| № 328 | S03 | E16 | 01 | 0000 | Alpha | Apr 3, 2003 | Apr 10, 2003 | Apr 23, 2003 |
| № 327 | S07 | W10 | 04 | 0020 | Beta | Apr 1, 2003 | Apr 8, 2003 | Apr 21, 2003 |
| № 326 | S13 | E34 | 01 | 0040 | Alpha | Apr 4, 2003 | Apr 11, 2003 | Apr 25, 2003 |
| № 325 | N12 | E28 | 09 | 0330 | Beta | Apr 4, 2003 | Apr 11, 2003 | Apr 24, 2003 |
| № 324 | S12 | E08 | 09 | 0020 | Beta | Apr 2, 2003 | Apr 9, 2003 | Apr 23, 2003 |
| № 323 | S08 | W27 | 21 | 0310 | Beta-Gamma | Mar 31, 2003 | Apr 7, 2003 | Apr 20, 2003 |
| № 321 | N06 | W14 | 17 | 0140 | Beta-Gamma | Apr 1, 2003 | Apr 8, 2003 | Apr 21, 2003 |
| № 319 | N13 | W55 | 05 | 0130 | Beta | Mar 29, 2003 | Apr 4, 2003 | Apr 18, 2003 |
| № 318 | S13 | W47 | 08 | 0050 | Beta | Mar 29, 2003 | Apr 5, 2003 | Apr 19, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to April 2003. The gray background is the average SSN index.
