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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on June 13, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8244 | N34 | E38 | 03 | 0020 | BETA | Jun 17, 1998 | Jun 24, 1998 | Jul 9, 1998 |
| № 8243 | N18 | E73 | 01 | 0120 | ALPHA | Jun 20, 1998 | Jun 27, 1998 | Jul 10, 1998 |
| № 8242 | S22 | E53 | 02 | 0140 | ALPHA | Jun 18, 1998 | Jun 25, 1998 | Jul 9, 1998 |
| № 8241 | S26 | W28 | 04 | 0010 | BETA | Jun 12, 1998 | Jun 19, 1998 | Jul 3, 1998 |
| № 8240 | S24 | W84 | 07 | 0090 | BETA | Jun 8, 1998 | Jun 15, 1998 | Jun 29, 1998 |
| № 8239 | N25 | E12 | 04 | 0010 | BETA | Jun 15, 1998 | Jun 22, 1998 | Jul 6, 1998 |
| № 8238 | N19 | W01 | 03 | 0000 | BETA | Jun 14, 1998 | Jun 21, 1998 | Jul 5, 1998 |
| № 8237 | S20 | E03 | 05 | 0010 | BETA | Jun 14, 1998 | Jun 21, 1998 | Jul 5, 1998 |
| № 8232 | S21 | W61 | 03 | 0290 | ALPHA | Jun 9, 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.
