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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on November 15, 1997. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8108 | N19 | E64 | 09 | 0290 | BETA | Nov 21, 1997 | Nov 28, 1997 | Dec 12, 1997 |
| № 8107 | S24 | W43 | 08 | 0040 | BETA | Nov 13, 1997 | Nov 20, 1997 | Dec 4, 1997 |
| № 8106 | N28 | W87 | 01 | 0020 | ALPHA | Nov 9, 1997 | Nov 16, 1997 | Dec 1, 1997 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1968 to November 1997. The gray background is the average SSN index.
