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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 29, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8100 | S20 | E55 | 09 | 0130 | BETA | Nov 3, 1997 | Nov 10, 1997 | Nov 24, 1997 |
| № 8099 | N19 | E23 | 10 | 0060 | BETA | Nov 1, 1997 | Nov 8, 1997 | Nov 21, 1997 |
| № 8098 | S23 | W57 | 01 | 0000 | ALPHA | Oct 26, 1997 | Nov 2, 1997 | Nov 15, 1997 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1968 to October 1997. The gray background is the average SSN index.
