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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on November 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8113 | N20 | E50 | 19 | 0680 | BETA-GAMMA-DELTA | Dec 4, 1997 | Dec 11, 1997 | Dec 24, 1997 |
| № 8111 | N21 | W04 | 01 | 0000 | ALPHA | Nov 30, 1997 | Dec 6, 1997 | Dec 20, 1997 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1968 to November 1997. The gray background is the average SSN index.
