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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 24, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8165 | N29 | E50 | 03 | 0010 | BETA | Mar 1, 1998 | Mar 8, 1998 | Mar 22, 1998 |
| № 8164 | N17 | E11 | 04 | 0020 | BETA | Feb 26, 1998 | Mar 5, 1998 | Mar 19, 1998 |
| № 8163 | S23 | W45 | 07 | 0040 | BETA | Feb 22, 1998 | Mar 1, 1998 | Mar 15, 1998 |
| № 8158 | S19 | W85 | 05 | 0070 | BETA | Feb 19, 1998 | Feb 26, 1998 | Mar 11, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1969 to February 1998. The gray background is the average SSN index.
