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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 14, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8271 | S11 | E30 | 01 | 0010 | ALPHA | Jul 17, 1998 | Jul 24, 1998 | Aug 7, 1998 |
| № 8270 | S21 | E28 | 15 | 0090 | BETA-GAMMA | Jul 17, 1998 | Jul 24, 1998 | Aug 7, 1998 |
| № 8269 | N17 | E31 | 04 | 0010 | ALPHA | Jul 17, 1998 | Jul 24, 1998 | Aug 7, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1969 to July 1998. The gray background is the average SSN index.
