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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8079 | N15 | E12 | 03 | 0010 | ALPHA | Aug 31, 1997 | Sep 7, 1997 | Sep 20, 1997 |
| № 8078 | N16 | E14 | 03 | 0010 | ALPHA | Aug 31, 1997 | Sep 7, 1997 | Sep 20, 1997 |
| № 8076 | N29 | E26 | 25 | 0200 | BETA-GAMMA | Sep 1, 1997 | Sep 8, 1997 | Sep 22, 1997 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1968 to August 1997. The gray background is the average SSN index.
