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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 6, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8266 | N24 | E75 | 01 | 0000 | ALPHA | Jul 13, 1998 | Jul 20, 1998 | Aug 2, 1998 |
| № 8265 | N20 | E46 | 02 | 0010 | BETA | Jul 10, 1998 | Jul 17, 1998 | Jul 31, 1998 |
| № 8264 | N17 | E17 | 10 | 0170 | BETA | Jul 8, 1998 | Jul 15, 1998 | Jul 29, 1998 |
| № 8263 | S21 | E04 | 01 | 0200 | ALPHA | Jul 7, 1998 | Jul 14, 1998 | Jul 28, 1998 |
| № 8260 | S23 | W23 | 16 | 0050 | BETA | Jul 5, 1998 | Jul 12, 1998 | Jul 26, 1998 |
| № 8259 | N25 | W22 | 04 | 0010 | BETA | Jul 5, 1998 | Jul 12, 1998 | Jul 26, 1998 |
| № 8258 | S14 | W54 | 01 | 0040 | ALPHA | Jul 3, 1998 | Jul 10, 1998 | Jul 23, 1998 |
| № 8256 | S24 | W58 | 11 | 0030 | BETA | Jul 2, 1998 | Jul 9, 1998 | Jul 23, 1998 |
| № 8255 | S23 | W80 | 01 | 0030 | ALPHA | Jul 1, 1998 | Jul 8, 1998 | Jul 21, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1969 to July 1998. The gray background is the average SSN index.
