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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 20, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 364 | S26 | W29 | 07 | 0040 | Beta | May 19, 2003 | May 26, 2003 | Jun 9, 2003 |
| № 362 | S11 | E23 | 08 | 0070 | Beta | May 23, 2003 | May 30, 2003 | Jun 12, 2003 |
| № 357 | S16 | W34 | 18 | 0060 | Beta | May 18, 2003 | May 25, 2003 | Jun 8, 2003 |
| № 356 | N18 | W67 | 02 | 0020 | Beta | May 16, 2003 | May 23, 2003 | Jun 5, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to May 2003. The gray background is the average SSN index.
