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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 9, 1997. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8021 | S30 | E40 | 02 | 0010 | ALPHA | Mar 13, 1997 | Mar 20, 1997 | Apr 4, 1997 |
| № 8020 | N06 | E46 | 04 | 0110 | ALPHA | Mar 14, 1997 | Mar 20, 1997 | Apr 3, 1997 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1968 to March 1997. The gray background is the average SSN index.
