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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 5, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 330 | N07 | E64 | 01 | 0330 | Alpha | Apr 11, 2003 | Apr 17, 2003 | May 1, 2003 |
| № 329 | N02 | E06 | 02 | 0020 | Beta | Apr 6, 2003 | Apr 13, 2003 | Apr 27, 2003 |
| № 327 | S06 | W74 | 02 | 0010 | Alpha | Mar 31, 2003 | Apr 7, 2003 | Apr 21, 2003 |
| № 326 | S11 | W15 | 02 | 0020 | Alpha | Apr 5, 2003 | Apr 12, 2003 | Apr 25, 2003 |
| № 325 | N12 | W22 | 07 | 0310 | Beta | Apr 4, 2003 | Apr 11, 2003 | Apr 25, 2003 |
| № 324 | S11 | W43 | 34 | 0340 | Beta-Gamma-Delta | Apr 3, 2003 | Apr 9, 2003 | Apr 23, 2003 |
| № 323 | S07 | W85 | 07 | 0090 | Beta | Mar 30, 2003 | Apr 6, 2003 | Apr 20, 2003 |
| № 321 | N08 | W66 | 13 | 0200 | Beta | Apr 1, 2003 | Apr 8, 2003 | Apr 21, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to April 2003. The gray background is the average SSN index.
