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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on June 15, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8248 | N21 | E04 | 02 | 0010 | ALPHA | Jun 16, 1998 | Jun 23, 1998 | Jul 7, 1998 |
| № 8247 | S23 | E19 | 01 | 0010 | ALPHA | Jun 17, 1998 | Jun 24, 1998 | Jul 8, 1998 |
| № 8246 | N13 | W60 | 01 | 0000 | ALPHA | Jun 11, 1998 | Jun 18, 1998 | Jul 2, 1998 |
| № 8245 | S29 | E05 | 04 | 0020 | BETA | Jun 16, 1998 | Jun 23, 1998 | Jul 7, 1998 |
| № 8244 | N32 | E16 | 04 | 0010 | BETA | Jun 17, 1998 | Jun 24, 1998 | Jul 9, 1998 |
| № 8243 | N18 | E53 | 06 | 0180 | BETA | Jun 20, 1998 | Jun 27, 1998 | Jul 10, 1998 |
| № 8242 | S21 | E30 | 04 | 0060 | BETA | Jun 18, 1998 | Jun 25, 1998 | Jul 9, 1998 |
| № 8232 | S21 | W82 | 02 | 0180 | ALPHA | Jun 10, 1998 | Jun 16, 1998 | Jun 30, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1969 to June 1998. The gray background is the average SSN index.
