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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 19, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8183 | N22 | E58 | 03 | 0050 | BETA | Mar 24, 1998 | Mar 31, 1998 | Apr 14, 1998 |
| № 8182 | S22 | W58 | 03 | 0010 | BETA | Mar 16, 1998 | Mar 22, 1998 | Apr 5, 1998 |
| № 8179 | S21 | W44 | 43 | 0790 | BETA-GAMMA | Mar 17, 1998 | Mar 24, 1998 | Apr 6, 1998 |
| № 8178 | S16 | W32 | 02 | 0080 | ALPHA | Mar 18, 1998 | Mar 24, 1998 | Apr 7, 1998 |
| № 8176 | S40 | W63 | 01 | 0000 | ALPHA | Mar 15, 1998 | Mar 22, 1998 | Apr 6, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1969 to March 1998. The gray background is the average SSN index.
