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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 26, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8370 | S31 | W65 | 02 | 0010 | BETA | Oct 22, 1998 | Oct 29, 1998 | Nov 12, 1998 |
| № 8369 | N17 | E61 | 04 | 0050 | BETA | Oct 31, 1998 | Nov 7, 1998 | Nov 21, 1998 |
| № 8366 | S12 | W52 | 01 | 0010 | ALPHA | Oct 23, 1998 | Oct 30, 1998 | Nov 12, 1998 |
| № 8365 | S26 | W89 | 02 | 0020 | BETA | Oct 20, 1998 | Oct 27, 1998 | Nov 10, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1969 to October 1998. The gray background is the average SSN index.
