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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 300 | N16 | E66 | 01 | 0010 | Alpha | Mar 10, 2003 | Mar 17, 2003 | Mar 31, 2003 |
| № 299 | N12 | E47 | 03 | 0070 | Beta | Mar 9, 2003 | Mar 15, 2003 | Mar 29, 2003 |
| № 298 | S08 | E18 | 05 | 0020 | Beta | Mar 6, 2003 | Mar 13, 2003 | Mar 27, 2003 |
| № 297 | S16 | E43 | 04 | 0040 | Beta | Mar 8, 2003 | Mar 15, 2003 | Mar 29, 2003 |
| № 296 | N11 | E35 | 20 | 0600 | Beta-Gamma | Mar 8, 2003 | Mar 14, 2003 | Mar 28, 2003 |
| № 295 | S18 | E14 | 06 | 0050 | Beta | Mar 6, 2003 | Mar 13, 2003 | Mar 27, 2003 |
| № 294 | S07 | W13 | 12 | 0030 | Beta | Mar 4, 2003 | Mar 11, 2003 | Mar 24, 2003 |
| № 292 | S09 | W92 | 05 | 0080 | Beta | Feb 26, 2003 | Mar 5, 2003 | Mar 18, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to March 2003. The gray background is the average SSN index.
