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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 30, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8229 | S18 | E09 | 03 | 0010 | BETA | Jun 1, 1998 | Jun 8, 1998 | Jun 21, 1998 |
| № 8228 | S22 | W15 | 03 | 0010 | BETA | May 30, 1998 | Jun 6, 1998 | Jun 20, 1998 |
| № 8227 | N26 | E19 | 08 | 0190 | ALPHA | Jun 2, 1998 | Jun 9, 1998 | Jun 23, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1969 to May 1998. The gray background is the average SSN index.
