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Sunspots and active regions — February 17, 2014

February 17, 2014

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Sunspots and active regions

The following active regions with sunspot groups were visible on the Sun on February 17, 2014. 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)
№ 1980 S14 W20 02 0090 Alpha Feb 16, 2014 Feb 23, 2014 Mar 9, 2014
№ 1977 S10 W02 30 0320 Beta-Gamma Feb 18, 2014 Feb 25, 2014 Mar 10, 2014
№ 1976 S15 W29 06 0230 Beta Feb 16, 2014 Feb 23, 2014 Mar 8, 2014
№ 1974 S12 W66 47 0760 Beta-Gamma-Delta Feb 13, 2014 Feb 20, 2014 Mar 5, 2014
№ 1973 N06 W87 02 0010 Alpha Feb 11, 2014 Feb 18, 2014 Mar 4, 2014

Solar cycle progression

The average monthly sunspot number (SSN) from January 1985 to February 2014. The gray background is the average SSN index.