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The Carrington maps are made in He I 584 A (20,000 K), O V 629 A (250,000 K), Mg IX (1 million K) and Fe XVI (2 million K) and more recently Mg X (1.5 million K). Each map is made up of daily 4' wide meridian scans. 28 scans make up one solar rotation, shown as a rectangular map representing the full Sun. Thus, the maps cover the range N90 to S90 (ordinate) and one full rotation or complete longitude coverage (360 degrees).

From the CDS Operations Management Team in the Space Science & Technology Department at CCLRC Rutherford Appleton Laboratory
Site maintained by John Rainnie.
Last revised on Tuesday (17/Jul/2001) at 09:55.