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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 2, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8291 | S24 | W05 | 05 | 0010 | BETA | Aug 3, 1998 | Aug 10, 1998 | Aug 24, 1998 |
| № 8290 | N16 | E47 | 02 | 0010 | ALPHA | Aug 7, 1998 | Aug 14, 1998 | Aug 27, 1998 |
| № 8288 | S27 | E33 | 01 | 0020 | ALPHA | Aug 6, 1998 | Aug 13, 1998 | Aug 27, 1998 |
| № 8283 | N27 | E02 | 01 | 0030 | ALPHA | Aug 3, 1998 | Aug 10, 1998 | Aug 24, 1998 |
| № 8282 | N30 | W62 | 04 | 0160 | BETA | Jul 29, 1998 | Aug 5, 1998 | Aug 20, 1998 |
| № 8280 | S25 | W70 | 01 | 0340 | ALPHA | Jul 29, 1998 | Aug 5, 1998 | Aug 19, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1969 to August 1998. The gray background is the average SSN index.
