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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8011 | S06 | W07 | 02 | 0000 | ALPHA | Jan 19, 1997 | Jan 25, 1997 | Feb 8, 1997 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1968 to January 1997. The gray background is the average SSN index.
