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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8316 | N25 | E64 | 01 | 0030 | ALPHA | Sep 1, 1998 | Sep 8, 1998 | Sep 22, 1998 |
| № 8315 | N22 | E22 | 01 | 0000 | ALPHA | Aug 29, 1998 | Sep 5, 1998 | Sep 19, 1998 |
| № 8314 | N14 | E25 | 06 | 0020 | BETA | Aug 29, 1998 | Sep 5, 1998 | Sep 19, 1998 |
| № 8309 | N19 | W53 | 11 | 0130 | BETA | Aug 23, 1998 | Aug 30, 1998 | Sep 13, 1998 |
| № 8308 | S21 | W24 | 01 | 0100 | ALPHA | Aug 25, 1998 | Sep 1, 1998 | Sep 15, 1998 |
| № 8307 | N30 | W03 | 18 | 0380 | BETA-DELTA | Aug 27, 1998 | Sep 3, 1998 | Sep 17, 1998 |
| № 8304 | S25 | W68 | 01 | 0040 | ALPHA | Aug 22, 1998 | Aug 29, 1998 | Sep 12, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1969 to August 1998. The gray background is the average SSN index.
