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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 28, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2294 | S14 | W14 | 15 | 0080 | Beta-Gamma | Feb 28, 2015 | Mar 7, 2015 | Mar 20, 2015 |
| № 2293 | N06 | E29 | 10 | 0090 | Beta-Delta | Mar 3, 2015 | Mar 10, 2015 | Mar 23, 2015 |
| № 2290 | N19 | W50 | 03 | 0030 | Beta | Feb 25, 2015 | Mar 4, 2015 | Mar 18, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to February 2015. The gray background is the average SSN index.
