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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 18, 2015. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2285 | S08 | W43 | 02 | 0010 | Alpha | Feb 16, 2015 | Feb 23, 2015 | Mar 8, 2015 |
| № 2284 | N14 | E04 | 01 | 0000 | Alpha | Feb 19, 2015 | Feb 26, 2015 | Mar 12, 2015 |
| № 2282 | N11 | W51 | 07 | 0170 | Beta | Feb 15, 2015 | Feb 22, 2015 | Mar 8, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to February 2015. The gray background is the average SSN index.
