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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 14, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8074 | N26 | E50 | 04 | 0040 | BETA | Aug 19, 1997 | Aug 26, 1997 | Sep 9, 1997 |
| № 8073 | N14 | E47 | 01 | 0060 | ALPHA | Aug 19, 1997 | Aug 26, 1997 | Sep 8, 1997 |
| № 8071 | N26 | W09 | 06 | 0030 | BETA | Aug 14, 1997 | Aug 21, 1997 | Sep 4, 1997 |
| № 8070 | S20 | W57 | 10 | 0050 | BETA | Aug 11, 1997 | Aug 18, 1997 | Aug 31, 1997 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1968 to August 1997. The gray background is the average SSN index.
