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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 2, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8173 | S17 | E73 | 01 | 0000 | ALPHA | Mar 8, 1998 | Mar 15, 1998 | Mar 29, 1998 |
| № 8172 | N22 | E08 | 04 | 0020 | BETA | Mar 3, 1998 | Mar 10, 1998 | Mar 24, 1998 |
| № 8171 | S23 | W21 | 14 | 0110 | BETA | Mar 1, 1998 | Mar 8, 1998 | Mar 22, 1998 |
| № 8169 | S20 | W70 | 05 | 0070 | BETA | Feb 25, 1998 | Mar 4, 1998 | Mar 18, 1998 |
| № 8167 | S26 | W43 | 05 | 0020 | BETA | Feb 28, 1998 | Mar 6, 1998 | Mar 20, 1998 |
| № 8164 | N15 | W64 | 04 | 0060 | BETA | Feb 26, 1998 | Mar 5, 1998 | Mar 18, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1969 to March 1998. The gray background is the average SSN index.
