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Sunspots and active regions — September 3, 2003

September 3, 2003

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Home Sunspots and active regions September 3, 2003

Sunspots and active regions

The following active regions with sunspot groups were visible on the Sun on September 3, 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)
№ 452 S07 W54 02 0010 Beta Aug 31, 2003 Sep 7, 2003 Sep 20, 2003
№ 450 S18 E14 07 0040 Beta Sep 5, 2003 Sep 12, 2003 Sep 26, 2003
№ 449 S16 W00 04 0070 Beta Sep 4, 2003 Sep 11, 2003 Sep 25, 2003
№ 448 N19 W34 14 0030 Beta Sep 1, 2003 Sep 8, 2003 Sep 22, 2003
№ 444 N11 W74 02 0020 Beta Aug 29, 2003 Sep 5, 2003 Sep 19, 2003
№ 442 S13 W74 01 0110 Alpha Aug 29, 2003 Sep 5, 2003 Sep 19, 2003

Solar cycle progression

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