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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 3, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8148 | S29 | E07 | 02 | 0000 | BETA | Feb 5, 1998 | Feb 12, 1998 | Feb 26, 1998 |
| № 8143 | S35 | W78 | 01 | 0110 | ALPHA | Jan 29, 1998 | Feb 5, 1998 | Feb 20, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1969 to February 1998. The gray background is the average SSN index.
