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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on June 25, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8255 | S22 | E62 | 01 | 0000 | ALPHA | Jul 1, 1998 | Jul 8, 1998 | Jul 22, 1998 |
| № 8254 | N22 | W56 | 01 | 0000 | ALPHA | Jun 22, 1998 | Jun 29, 1998 | Jul 13, 1998 |
| № 8253 | N18 | E52 | 09 | 0240 | BETA | Jun 30, 1998 | Jul 7, 1998 | Jul 21, 1998 |
| № 8249 | S28 | W43 | 01 | 0050 | ALPHA | Jun 23, 1998 | Jun 30, 1998 | Jul 14, 1998 |
| № 8243 | N17 | W82 | 02 | 0150 | BETA | Jun 20, 1998 | Jun 27, 1998 | Jul 10, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1969 to June 1998. The gray background is the average SSN index.
