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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 20, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2290 | N19 | E54 | 07 | 0030 | Beta | Feb 25, 2015 | Mar 4, 2015 | Mar 18, 2015 |
| № 2289 | S07 | E55 | 01 | 0010 | Alpha | Feb 25, 2015 | Mar 4, 2015 | Mar 17, 2015 |
| № 2288 | S07 | W52 | 04 | 0030 | Beta | Feb 17, 2015 | Feb 24, 2015 | Mar 9, 2015 |
| № 2287 | N14 | E08 | 10 | 0050 | Beta | Feb 22, 2015 | Feb 28, 2015 | Mar 14, 2015 |
| № 2286 | S20 | W80 | 02 | 0030 | Alpha | Feb 15, 2015 | Feb 22, 2015 | Mar 8, 2015 |
| № 2282 | N10 | W76 | 02 | 0090 | Alpha | 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.
