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51. Solar Features [gov.noaa.ngdc.stp.solar.solar-features]
Collection includes a variety of solar feature datasets contributed by a number of national and private solar observatories located worldwide.


52. Solar Features - Prominences and Filaments [gov.noaa.ngdc.stp.solar.solar-features_prominences-filaments]
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 magnetic ...


53. Solar Features - Prominences and Filaments - Filaments [gov.noaa.ngdc.stp.solar.solar-features_prominences-filaments_filaments]
Filaments are formed in magnetic loops that hold relatively cool, dense gas suspended above the surface of the Sun (David Hathaway/NASA)


54. Solar Features - Prominences and Filaments - Prominences [gov.noaa.ngdc.stp.solar.solar-features_prominences-filaments_prominences]
A prominence is a large, bright features extending outward from the sun's surface, often in a loop shape (Wikipedia)


55. Solar Features - Solar Flares [gov.noaa.ngdc.stp.solar.solar-features_solar-flares]
A solar flare is a short-lived sudden increase in the intensity of radiation emitted in the neighborhood of sunspots. For many years it was best monitored in the H-alpha wavelength and occurs in the ...


56. Solar Features - Solar Flares - H-Alpha [gov.noaa.ngdc.stp.solar.solar-features_solar-flares_h-alpha]
A short-lived sudden increase in the intensity or radiation emitted in the neighborhood of sunspots monitored in H-alpha.


57. Solar Features - Solar Flares - Index [gov.noaa.ngdc.stp.solar.solar-features_solar-flares_index]
Daily index of solar flare activity.


58. Solar Features - Solar Flares - Patrol [gov.noaa.ngdc.stp.solar.solar-features_solar-flares_patrol]
The H-alpha Flare Patrol identifies time periods each day when the sun is being continuously monitored by select ground-based solar observatories.


59. Solar Features - Solar Flares - X-rays [gov.noaa.ngdc.stp.solar.solar-features_solar-flares_x-rays]
Listings and characterizations of solar x-ray flares


60. Solar Flare Data from the Berkeley-Illinois-Maryland Array [BIMA]
The BIMA array is a 3-element radio interferometer. Flare observations at 86 GHz with high spatial resolution were obtained during the Flares 22/MAX'91 campaign of December 1991/Jnauary 1992. Times ...


61. Solar Geophysical Data (SGD) Reports (1955-2009) [gov.noaa.ngdc.stp.solar.solar_geophysical_data]
Solar-Geophysical Data (SGD) reports were a comprehensive compilation of many different kinds of observational data of the sun's activity and its effects on the Earth. Data from the worldwide network ...


62. Solar Global Oscillation Network Group (GONG) [GONG]
The Global Oscillation Network Group ( GONG ) is a community-based project to conduct a detailed study of solar internal structure and dynamics using helioseismology. In order to exploit this new ...


63. Solar Ground-Based Data from the Base de donnees Solaire Sol (BASS) 2000 Project [SOLAR_BASS2000]
BASS 2000 has been initiated by the Institut National des Sciences de l'Univers together with the Midi-Pyrenees Observatory, the research group "solar and stellar magnetodynamic", the ...


64. Solar Imagery [gov.noaa.ngdc.stp.solar.solar-imagery]
Collection includes a variety of solar photographic and illustrated datasets contributed by a number of national and private solar observatories located worldwide. Daily solar observations range from ...


65. Solar Imagery - Boulder Neutral Line Drawings [gov.noaa.ngdc.stp.solar.solar_imagery-boulder_neutral_line_drawings]
Synoptic Analysis Drawings, also known as Neutral Line (NL) drawings, are produced each day by space weather forecaster at the NOAA National Weather Service (NWS) Space Weather Prediction Center (SWPC). ...


66. Solar Imagery - Chromosphere - Calcium [gov.noaa.ngdc.stp.solar.solar-imagery_chromosphere_calcium]
This dataset consists 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 ...


67. Solar Imagery - Chromosphere - H-Alpha [gov.noaa.ngdc.stp.solar.solar-imagery_chromosphere_h-alpha]
Collection includes a variety of H-alpha photographic datasets contributed by a number of national and private solar observatories located worldwide. Solar observations ...


68. Solar Imagery - Composites - Full Sun Drawings - Boulder [gov.noaa.ngdc.stp.solar.solar-imagery_composites_full-sun-drawings_boulder]
Synoptic Analysis Drawings, also known as Neutral Line (NL) drawings, are produced each day by space weather forecaster at the NOAA National Weather Service (NWS) Space Weather Prediction Center (SWPC). ...


69. Solar Imagery - GONG [gov.noaa.ngdc.stp.solar.solar-imagery_gong]
The Global Oscillation Network Group (GONG) is a network of 6 globally-spaced solar observatories that the NOAA Space Weather Prediction Center uses to monitor the sun in near real time. The archived ...


70. Solar Imagery - GONG (H-alpha) [gov.noaa.ngdc.stp.solar.solar-imagery_chromosphere_h-alpha_gong]
The Global Oscillation Network Group (GONG) is a network of 6 globally-spaced solar observatories that the NOAA Space Weather Prediction Center uses to monitor the sun in near real time. The archived ...


71. Solar Imagery - GONG (Magnetogram) [gov.noaa.ngdc.stp.solar.solar-imagery_chromosphere_magnetogram_gong]
The Global Oscillation Network Group (GONG) is a network of 6 globally-spaced solar observatories that the NOAA Space Weather Prediction Center uses to monitor the sun in near real time. The archived ...


72. Solar Imagery - Photosphere - Sunspot Drawings - McMath-Hulbert Observatory [gov.noaa.ngdc.stp.solar.solar-imagery_photosphere_sunspot-drawings_mcmath]
The McMath-Hulbert Observatory is a decommissioned solar observatory in Lake Angelus, Michigan, USA. It was established in 1929 as a private observatory by father and son Francis Charles McMath and ...


73. Solar Imagery - Photosphere - White Light [gov.noaa.ngdc.stp.solar.solar-imagery_photosphere_white-light]
Collection consists of white-light, full-disk images of the sun provided by various solar observatories and institutions.


74. Solar Imagery - White Light - ISOON [gov.noaa.ngdc.stp.solar.solar-images_white-light_isoon]
The Improved Solar Observing Optical Network (ISOON) project is a collaboration between the Air Force Research Laboratory Space Vehicles Directorate and the National Solar Observatory. ISOON is a ...


75. Solar Images and Spectra from the Solar Maximum Mission (SMM) X-ray Polychromator [SMM-07]
Data from the X-ray Polychromator (XRP) consist of photon counting rates at selected X-ray wavelengths in the 1.4 - 22.5 A band from detectors which are used in a variety of modes to build up solar ...


76. Solar Images and Spectra from the Yohkoh Spacecraft [Yohkoh-01]
This data set consists of data from all four instruments on board the Yohkoh spacecraft (formerly called Solar-A). Data are held as proprietary for two years after collection (although more recent ...


77. Solar Images from the EUV and Soft X-ray Spectroheliographs on OSO-7 [71-083-01]
Two of the six instruments on board the OSO-7 were an EUV spectroheliograph (Neupert, Thames, and Chapman 1974) and a Hard X-ray Spectrometer (Datlowe, Elcan, and Hudson 1974). The spectroheliograph ...


78. Solar Indices [gov.noaa.ngdc.stp.solar.solar-indices]
Collection includes a variety of indices related to solar activity contributed by a number of national and private solar observatories located worldwide. This metadata record is currently under construction.[SolarIndices ...


79. Solar Indices - Plage Regions [gov.noaa.ngdc.stp.solar.solar-indices_plage-regions]
Collection includes a variety of indices related to solar activity contributed by a number of national and private solar observatories located worldwide. This metadata record is currently under construction.[SolarIndices ...


80. Solar Indices - Solar Corona [gov.noaa.ngdc.stp.solar.solar-indices_solar-corona]
Collection includes a variety of indices related to solar activity contributed by a number of national and private solar observatories located worldwide. This metadata record is currently under construction.[SolarIndices ...


81. Solar Indices - Solar Flares [gov.noaa.ngdc.stp.solar.solar-indices_solar-flares]
Collection includes a variety of indices related to solar activity contributed by a number of national and private solar observatories located worldwide. This metadata record is currently under construction.[SolarIndices ...


82. Solar Indices - Solar Irradiance [gov.noaa.ngdc.stp.solar.solar-indices_total-solar-irradiance]
Collection includes a variety of indices related to solar activity contributed by a number of national and private solar observatories located worldwide. This metadata record is currently under construction.[SolarIndices ...


83. Solar Indices - Solar Radio Flux [gov.noaa.ngdc.stp.solar.solar-indices_solar-radio-flux]
Collection includes a variety of indices related to solar activity contributed by a number of national and private solar observatories located worldwide. This metadata record is currently under construction.[SolarIndices ...


84. Solar Indices - Solar Ultraviolet [gov.noaa.ngdc.stp.solar.solar-indices_solar-ultraviolet]
Collection includes a variety of indices related to solar activity contributed by a number of national and private solar observatories located worldwide. This metadata record is currently under construction.[SolarIndices ...


85. Solar Indices - Sunspot Numbers [gov.noaa.ngdc.stp.solar.solar-indices_sunspot-numbers]
Collection includes a variety of indices related to solar activity contributed by a number of national and private solar observatories located worldwide. This metadata record is currently under construction.[SolarIndices ...


86. Solar Indices Bulletin [gov.noaa.ngdc.stp.solar.solar-indices-bulletin]
Solar Indices Bulletin is a prompt monthly information product that is distributed within two weeks after the observation month closes. For the month just ended, this 2-page circular tabulates daily ...


87. Solar Magnetic Flux Tubes [ucar.scd.vets.vg.mft]
Solar Magnetic Flux Tubes are magnetic field concentrations near the surface of the sun. Because of their close relation to their much larger cousins, sun spots, they are of great interest ...


88. Solar Maximum Mission (SMM) Coronagraph/Polarimeter Data [SMM-01]
The data from the Coronagraph/Polarimeter consist of digital images of the solar corona taken through various filters at visible wavelengths. The scientific objectives of the Coronagraph/Polarimeter ...


89. Solar Radio [gov.noaa.ngdc.stp.solar.solar-features_solar-features_solar-radio]
Scientists monitor the structure of the solar corona, the outer most regions of the Sun's atmosphere, using radio waves (100?s of MHz to 10?s of GHz). Variations in the radiowave spectrum ...


90. Solar Radio Observations from Space [SRO-01]
Many spacecraft were launched from 1962 thru 1973 to record solar and cosmic radio bursts. The spacecraft carried receivers for various frequency ranges, and collected data intermittently over those ...


91. Solar Records: The Wolf Sunspot Index and Umbral/Penumbral Ratio, CDIAC NDP-014 [CDIAC_NDP14]
Observational records of sunspot activity are available from about 1875, with reconstructions going back, possibly, to 1832. Available sunspot models and the theory of mixing length indicate that ...


92. Solar Ultraviolet Data from Orbiting Solar Observatory (OSO 8) Space Mission [OSO-8-spectro-level1]
The LPSP multichannel High Resolution UV and visible spectometer was launched June 21, 1975 and was in operation until September 30, 1978 with 6 channels covering the most intense optically thick ...


93. Solar Ultraviolet Data from Orbiting Solar Observatory (OSO) Space Missions 1962 - 1978 [OSO-02]
The Orbiting Solar Observatory (OSO) series 1 & 3 - 8 collected solar UV data in the years 1962 - 1978. Many instruments were used to observe in various wavelength bands, tabulated below. The data ...


94. Solar Ultraviolet Observations from the Solar Maximum Mission/ Ultraviolet Spectrometer and Polarimeter (SMM/UVSP) [SMM-06]
Data from the Ultraviolet Spectrometer and Polarimeter (UVSP) consist of photon counts at selected UV wavelengths in the 1170 - 3500 A band from detectors which are used in a variety of modes to build ...


95. Solar Wind Experiment (SWE) on WIND [WIND_SWE]
The main purpose of the Wind spacecraft is to measure the incoming solar wind, magnetic fields and particles, although early on it will also observe the Earth's foreshock region. Wind, together with ...


96. Solar X-ray Data from Orbiting Solar Observatory (OSO) Space Missions 1962 - 1978 [OSO-01]
The Orbiting Solar Observatory (OSO) series 1 - 8 collected solar X-ray data in the years 1962 - 1978. Many instruments were used to observe in various photon energy ranges, tabulated below. The ...


97. Solar X-ray and Ultraviolet Data from SOLRAD Space Missions 1960 - 1973 [SOLRAD-01]
The Solar Radiation (SOLRAD) series 1, 4, 6 - 10 collected solar X-ray and ultraviolet data during numerous intervals in the years 1960 - 1973. The data consist of photon fluxes in various wavelength ...


98. Solar/Space Environment Data (Satellites) [gov.noaa.ngdc.stp.swx.space-environment]
The National Oceanic and Atmospheric Administration (NOAA) monitors the geospace and solar environments using a variety of space weather sensors aboard its fleet of operational satellites.


99. Space Environment Modeling [gov.noaa.ngdc.stp.swx.space_environment_modeling]
Collection includes presentation materials and outputs from operational space environment models produced by the NOAA Space Weather Prediction Center (SWPC) and other related model datasets. Included ...


100. Space Physics, Solar Physics and Astronomy Data from Space Physics Data System [SPDS-General]
The Space Physics Data System (SPDS) ( http://spdf.gsfc.nasa.gov/ ) serves the four science disciplines encompassed within the programs of the NASA Space Physics Division, namely: ...


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