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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 2, 1999. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8478 | S15 | W08 | 04 | 0020 | BETA | Mar 2, 1999 | Mar 9, 1999 | Mar 23, 1999 |
| № 8477 | S26 | E64 | 05 | 0100 | BETA | Mar 8, 1999 | Mar 15, 1999 | Mar 29, 1999 |
| № 8476 | N19 | E07 | 06 | 0020 | BETA | Mar 4, 1999 | Mar 10, 1999 | Mar 24, 1999 |
| № 8475 | N32 | E15 | 17 | 0120 | BETA | Mar 4, 1999 | Mar 11, 1999 | Mar 26, 1999 |
| № 8472 | N30 | E01 | 04 | 0010 | BETA | Mar 3, 1999 | Mar 10, 1999 | Mar 24, 1999 |
| № 8471 | N28 | W27 | 31 | 0100 | BETA | Mar 1, 1999 | Mar 8, 1999 | Mar 22, 1999 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1970 to March 1999. The gray background is the average SSN index.
