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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 1, 2002. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 137 | S17 | E38 | 04 | 0070 | Beta | Oct 5, 2002 | Oct 12, 2002 | Oct 25, 2002 |
| № 135 | S23 | W34 | 02 | 0020 | Beta | Sep 29, 2002 | Oct 6, 2002 | Oct 20, 2002 |
| № 134 | N13 | W00 | 23 | 0270 | Beta-Gamma-Delta | Oct 2, 2002 | Oct 9, 2002 | Oct 22, 2002 |
| № 130 | N04 | W57 | 02 | 0100 | Alpha | Sep 28, 2002 | Oct 4, 2002 | Oct 18, 2002 |
| № 129 | N28 | W51 | 02 | 0020 | Beta | Sep 28, 2002 | Oct 5, 2002 | Oct 19, 2002 |
| № 125 | S10 | W87 | 01 | 0040 | Alpha | Sep 25, 2002 | Oct 2, 2002 | Oct 16, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to October 2002. The gray background is the average SSN index.
