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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 19, 2005. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 743 | S08 | W44 | 14 | 0300 | Beta-Gamma | Mar 17, 2005 | Mar 23, 2005 | Apr 6, 2005 |
| № 742 | S06 | W80 | 03 | 0300 | Alpha | Mar 14, 2005 | Mar 21, 2005 | Apr 3, 2005 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to March 2005. The gray background is the average SSN index.
