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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Dataset Last Updated: August 10, 2014 at 12:00 AM

Prominences and filaments are two manifestations of the same phenomenon. Both prominences and filaments are features formed above the chromosphere by cool dense gases held in place by solar...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Dataset Last Updated: August 10, 2014 at 12:00 AM

Filaments are formed in magnetic loops that hold relatively cool, dense gas suspended above the surface of the Sun (David Hathaway/NASA)

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Dataset Last Updated: August 10, 2014 at 12:00 AM

A prominence is a large, bright features extending outward from the sun's surface, often in a loop shapce (Wikipedia)

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Dataset Last Updated: January 01, 1981 at 12:00 AM

These datasets consist of full-disk, daily photographs of the sun taken at the H-alpha wavelength. Collection includes a variety of H-alpha photographic datasets contributed by a number of...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Dataset Last Updated: January 02, 2001 at 12:00 AM

These datasets consist of full-disk, daily photographs of the sun taken at the H-alpha wavelength. Collection includes a variety of H-alpha photographic datasets contributed by a number of...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Dataset Last Updated: October 11, 1972 at 12:00 AM

These datasets consist of full-disk, daily photographs of the sun taken at the H-alpha wavelength. Collection includes a variety of H-alpha photographic datasets contributed by a number of...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Dataset Last Updated: January 16, 1956 at 12:00 AM

Full sun drawings are a form of synoptic analysis drawings, also known as Neutral line (NL) drawings which provide a comprehensive daily view of the sun for relevant solar feature of interest. To...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Dataset Last Updated: October 01, 1964 at 12:00 AM

Solar synoptic maps usually refer to assembled composites recorded over a full solar rotation of about 27 days. Synoptic maps can be derived from single wavelength images or from multi-wavelength...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Dataset Last Updated: February 03, 1979 at 12:00 AM

Solar synoptic maps usually refer to assembled composites recorded over a full solar rotation of about 27 days. Synoptic maps can be derived from single wavelength images or from multi-wavelength...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Dataset Last Updated: September 11, 1989 at 12:00 AM

Solar synoptic maps usually refer to assembled composites recorded over a full solar rotation of about 27 days. Synoptic maps can be derived from single wavelength images or from multi-wavelength...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Dataset Last Updated: August 18, 1999 at 12:00 AM

Solar synoptic maps usually refer to assembled composites recorded over a full solar rotation of about 27 days. Synoptic maps can be derived from single wavelength images or from multi-wavelength...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Dataset Last Updated: December 17, 2003 at 12:00 AM

Solar synoptic maps usually refer to assembled composites recorded over a full solar rotation of about 27 days. Synoptic maps can be derived from single wavelength images or from multi-wavelength...

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