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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 9, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8267 | N34 | E22 | 03 | 0020 | BETA | Jul 12, 1998 | Jul 19, 1998 | Aug 2, 1998 |
| № 8266 | N22 | E35 | 01 | 0000 | ALPHA | Jul 13, 1998 | Jul 19, 1998 | Aug 2, 1998 |
| № 8264 | N17 | W26 | 05 | 0120 | BETA | Jul 8, 1998 | Jul 15, 1998 | Jul 28, 1998 |
| № 8263 | S22 | W32 | 07 | 0170 | BETA | Jul 7, 1998 | Jul 14, 1998 | Jul 28, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1969 to July 1998. The gray background is the average SSN index.
