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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 26, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8077 | S23 | E57 | 03 | 0010 | BETA | Sep 1, 1997 | Sep 7, 1997 | Sep 21, 1997 |
| № 8076 | N29 | E61 | 09 | 0080 | BETA | 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.
