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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8186 | N09 | W22 | 02 | 0010 | BETA | Mar 22, 1998 | Mar 29, 1998 | Apr 12, 1998 |
| № 8185 | S24 | E65 | 15 | 0350 | BETA | Mar 29, 1998 | Apr 5, 1998 | Apr 19, 1998 |
| № 8184 | S20 | E22 | 04 | 0040 | BETA | Mar 26, 1998 | Apr 1, 1998 | Apr 15, 1998 |
| № 8183 | N22 | E08 | 10 | 0040 | BETA | Mar 24, 1998 | Mar 31, 1998 | Apr 14, 1998 |
| № 8180 | S28 | W83 | 06 | 0200 | BETA | Mar 17, 1998 | Mar 24, 1998 | Apr 7, 1998 |
| № 8179 | S24 | W86 | 06 | 0290 | BETA | Mar 17, 1998 | Mar 24, 1998 | Apr 7, 1998 |
| № 8178 | S15 | W81 | 01 | 0030 | ALPHA | Mar 18, 1998 | Mar 25, 1998 | Apr 7, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1969 to March 1998. The gray background is the average SSN index.
