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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 7, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8174 | S17 | E52 | 02 | 0010 | BETA | Mar 12, 1998 | Mar 19, 1998 | Apr 1, 1998 |
| № 8173 | S18 | E12 | 02 | 0010 | BETA | Mar 9, 1998 | Mar 16, 1998 | Mar 29, 1998 |
| № 8172 | N23 | W61 | 05 | 0040 | BETA | Mar 3, 1998 | Mar 10, 1998 | Mar 24, 1998 |
| № 8171 | S24 | W84 | 05 | 0340 | BETA | Mar 1, 1998 | Mar 8, 1998 | Mar 22, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1969 to March 1998. The gray background is the average SSN index.
