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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on June 12, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8242 | S20 | E67 | 01 | 0090 | ALPHA | Jun 18, 1998 | Jun 25, 1998 | Jul 9, 1998 |
| № 8241 | S27 | W13 | 08 | 0030 | BETA | Jun 12, 1998 | Jun 19, 1998 | Jul 3, 1998 |
| № 8240 | S24 | W74 | 10 | 0110 | BETA | Jun 8, 1998 | Jun 14, 1998 | Jun 28, 1998 |
| № 8238 | N19 | E12 | 03 | 0010 | BETA | Jun 14, 1998 | Jun 21, 1998 | Jul 5, 1998 |
| № 8236 | N21 | W85 | 01 | 0000 | ALPHA | Jun 7, 1998 | Jun 14, 1998 | Jun 27, 1998 |
| № 8232 | S21 | W45 | 12 | 0320 | BETA | Jun 10, 1998 | Jun 17, 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.
