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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8264 | N17 | E45 | 08 | 0220 | BETA | Jul 8, 1998 | Jul 15, 1998 | Jul 29, 1998 |
| № 8263 | S21 | E30 | 01 | 0170 | ALPHA | Jul 7, 1998 | Jul 14, 1998 | Jul 28, 1998 |
| № 8260 | S23 | E03 | 09 | 0030 | BETA | Jul 5, 1998 | Jul 12, 1998 | Jul 26, 1998 |
| № 8259 | N27 | E05 | 06 | 0010 | BETA | Jul 5, 1998 | Jul 12, 1998 | Jul 26, 1998 |
| № 8258 | S14 | W27 | 01 | 0060 | ALPHA | Jul 3, 1998 | Jul 10, 1998 | Jul 23, 1998 |
| № 8256 | S24 | W31 | 15 | 0020 | BETA | Jul 2, 1998 | Jul 9, 1998 | Jul 23, 1998 |
| № 8255 | S23 | W54 | 02 | 0040 | ALPHA | Jul 1, 1998 | Jul 8, 1998 | Jul 21, 1998 |
| № 8253 | N17 | W72 | 01 | 0090 | ALPHA | Jun 29, 1998 | Jul 6, 1998 | Jul 20, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1969 to July 1998. The gray background is the average SSN index.
