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Sunspots and active regions — May 11, 2011

May 11, 2011

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Sunspots and active regions

The following active regions with sunspot groups were visible on the Sun on May 11, 2011. 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)
№ 1210 N20 W04 16 0070 Beta May 12, 2011 May 18, 2011 Jun 1, 2011
№ 1208 N12 E24 08 0070 Beta May 14, 2011 May 20, 2011 Jun 3, 2011
№ 1207 N21 W35 03 0010 Beta May 9, 2011 May 16, 2011 May 30, 2011
№ 1204 N17 W69 02 0050 Alpha May 7, 2011 May 13, 2011 May 27, 2011
№ 1203 N18 W79 01 0060 Alpha May 6, 2011 May 13, 2011 May 26, 2011

Solar cycle progression

The average monthly sunspot number (SSN) from January 1982 to May 2011. The gray background is the average SSN index.