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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 11, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8270 | S19 | E68 | 04 | 0020 | BETA | Jul 17, 1998 | Jul 24, 1998 | Aug 7, 1998 |
| № 8269 | N19 | E70 | 01 | 0000 | ALPHA | Jul 17, 1998 | Jul 24, 1998 | Aug 7, 1998 |
| № 8268 | N18 | W05 | 01 | 0000 | ALPHA | Jul 11, 1998 | Jul 18, 1998 | Aug 1, 1998 |
| № 8266 | N27 | E13 | 02 | 0000 | ALPHA | Jul 13, 1998 | Jul 20, 1998 | Aug 3, 1998 |
| № 8265 | S24 | W30 | 04 | 0030 | ALPHA | Jul 10, 1998 | Jul 16, 1998 | Jul 30, 1998 |
| № 8264 | N16 | W56 | 01 | 0100 | ALPHA | Jul 8, 1998 | Jul 14, 1998 | Jul 28, 1998 |
| № 8263 | S24 | W59 | 08 | 0140 | BETA | Jul 7, 1998 | Jul 14, 1998 | Jul 28, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1969 to July 1998. The gray background is the average SSN index.
