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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 9, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8039 | N23 | W34 | 02 | 0010 | BETA | May 8, 1997 | May 14, 1997 | May 28, 1997 |
| № 8038 | N21 | E25 | 01 | 0080 | ALPHA | May 12, 1997 | May 19, 1997 | Jun 2, 1997 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1968 to May 1997. The gray background is the average SSN index.
