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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 22, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8097 | N16 | E01 | 04 | 0040 | BETA | Oct 23, 1997 | Oct 30, 1997 | Nov 12, 1997 |
| № 8096 | N13 | W27 | 03 | 0010 | BETA | Oct 21, 1997 | Oct 28, 1997 | Nov 10, 1997 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1968 to October 1997. The gray background is the average SSN index.
