• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1999-01-01T00:00:00.000+00:00

A solar magnetogram is a pictorial representation of the spatial variations in strength of the solar magnetic field. Magnetograms are often produced by exploiting the Zeeman effect (or, in some...

• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1979-02-03T00:00:00.000+00:00

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...

• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1989-09-11T00:00:00.000+00:00

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...

• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1942-06-24T00:00:00.000+00:00

The photosphere of the Sun has a temperature of around 6, 000 degreesK and is the region in which sunspot activity is located. Sunspots appear dark against the surface of the sun due to the...

• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1981-01-01T00:00:00.000+00:00

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...

• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1957-07-01T00:00:00.000+00:00

The decision to publish this volume of Solar Activity Maps (d2) in the Annuals of the International Geophyical Year was taken during the Fifth Meeting of the Special Commitee of Annual Geophysical...

• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1859-12-27T00:00:00.000+00:00

These historical sunspot drawings are from the collection of Charles Anthony Schott whie with the U.S.Coastal Survey, which was a predecessor to NOAA.

• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1966-01-01T00:00:00.000+00:00

The photosphere of the Sun has a temperature of around 6, 000 degrees K and is the region in which sunspot activity is located. Sunspots appear dark against the surface of the sun due to the...

• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2001-01-02T00:00:00.000+00:00

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...

• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1973-01-24T00:00:00.000+00:00

When this data was collected, SWPC was named the Space Environment Lab (SEL) and there was a telescope known as the Boulder Solar Observatory on the roof the building. These images of white light...

• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1957-07-01T00:00:00.000+00:00

Collection consists of white-light (unfiltered), full-disk images of the sun provided by various solar observatories and institutions. White light pictures show how the Sun appears to the naked...

• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1956-01-16T00:00:00.000+00:00

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...

• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1999-01-01T00:00:00.000+00:00

A solar magnetogram is a pictorial representation of the spatial variations in strength of the solar magnetic field. Magnetograms are often produced by exploiting the Zeeman effect (or, in some...

• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2003-12-17T00:00:00.000+00:00

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...

• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1948-02-18T00:00:00.000+00:00

The calcium datasets consist of full-disk images of the sun in Calcium (Ca) II K wavelength (393.4 nm). Ca II K imagery reveal magnetic structures of the sun from about 500 to 2000 km above the...

• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1972-10-11T00:00:00.000+00:00

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...

• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1946-02-02T00:00:00.000+00:00

No description was provided.

• html
• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1915-08-09T00:00:00.000+00:00

The calcium datasets consist of full-disk images of the sun in Calcium (Ca) II K wavelength (393.4 nm). Ca II K imagery reveal magnetic structures of the sun from about 500 to 2000 km above the...

• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1999-08-18T00:00:00.000+00:00

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...

• html
• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1947-09-01T00:00:00.000+00:00

The photosphere of the Sun has a temperature of around 6, 000 degrees K and is the region in which sunspot activity is located. Sunspots appear dark against the surface of the sun due to the...

• html