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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 14, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8359 | N23 | W47 | 05 | 0020 | BETA | Oct 11, 1998 | Oct 18, 1998 | Nov 1, 1998 |
| № 8358 | N15 | E02 | 08 | 0040 | BETA | Oct 15, 1998 | Oct 22, 1998 | Nov 5, 1998 |
| № 8355 | S21 | W17 | 16 | 0120 | BETA | Oct 14, 1998 | Oct 21, 1998 | Nov 3, 1998 |
| № 8350 | N19 | W83 | 01 | 0060 | ALPHA | Oct 9, 1998 | Oct 16, 1998 | Oct 29, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1969 to October 1998. The gray background is the average SSN index.
