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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8350 | N20 | E68 | 02 | 0260 | BETA | Oct 9, 1998 | Oct 16, 1998 | Oct 30, 1998 |
| № 8349 | S27 | E20 | 05 | 0010 | BETA | Oct 5, 1998 | Oct 12, 1998 | Oct 26, 1998 |
| № 8348 | N16 | E21 | 01 | 0000 | ALPHA | Oct 5, 1998 | Oct 12, 1998 | Oct 26, 1998 |
| № 8346 | S28 | W64 | 03 | 0020 | BETA | Sep 29, 1998 | Oct 6, 1998 | Oct 20, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1969 to October 1998. The gray background is the average SSN index.
