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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 6, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8091 | N23 | E23 | 05 | 0030 | BETA | Oct 9, 1997 | Oct 16, 1997 | Oct 29, 1997 |
| № 8090 | S28 | E05 | 01 | 0010 | ALPHA | Oct 7, 1997 | Oct 14, 1997 | Oct 28, 1997 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1968 to October 1997. The gray background is the average SSN index.
