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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 6, 1998. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8129 | N23 | W57 | 01 | 0010 | ALPHA | Jan 3, 1998 | Jan 10, 1998 | Jan 24, 1998 |
| № 8126 | N23 | W94 | 01 | 0040 | ALPHA | Dec 31, 1997 | Jan 7, 1998 | Jan 21, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1969 to January 1998. The gray background is the average SSN index.
