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Sunspots and active regions — October 21, 2003

October 21, 2003

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Home Sunspots and active regions October 21, 2003

Sunspots and active regions

The following active regions with sunspot groups were visible on the Sun on October 21, 2003. 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)
№ 484 N05 E40 46 1420 Beta-Gamma-Delta Oct 25, 2003 Nov 1, 2003 Nov 14, 2003
№ 483 S11 E27 07 0020 Beta Oct 24, 2003 Oct 31, 2003 Nov 13, 2003
№ 482 N15 E20 07 0030 Alpha Oct 24, 2003 Oct 30, 2003 Nov 13, 2003
№ 481 S09 W63 01 0020 Alpha Oct 17, 2003 Oct 24, 2003 Nov 7, 2003
№ 479 N25 W72 02 0010 Beta Oct 16, 2003 Oct 23, 2003 Nov 6, 2003

Solar cycle progression

The average monthly sunspot number (SSN) from January 1974 to October 2003. The gray background is the average SSN index.