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    <ResourceID>spase://NASA/NumericalData/Skylab/Spectroheliometer/RasterFITS/PT330S</ResourceID>
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    <ResourceHeader>
      <ResourceName>Skylab UV Solar EUV Data in Original and FITS Format</ResourceName>
      <ReleaseDate>2025-12-04T13:31:27Z</ReleaseDate>
      <RevisionHistory>
        <RevisionEvent>
          <ReleaseDate>2020-07-07T21:15:23Z</ReleaseDate>
          <Note>Only known prior ReleaseDate of the metadata</Note>
        </RevisionEvent>
        <RevisionEvent>
          <ReleaseDate>2025-08-05T13:12:32Z</ReleaseDate>
          <Note>Added ObservedRegion(s). ZCB</Note>
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        <RevisionEvent>
          <ReleaseDate>2025-11-14T16:02:54Z</ReleaseDate>
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        <RevisionEvent>
          <ReleaseDate>2025-12-04T13:31:27Z</ReleaseDate>
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      <Description>This data set contains Skylab UV solar EUV data provided by the Principal Investigator. The data consist of both FITS data files and raw data files, contained in two subdirectories: /fits_data and /raw_data. The subdirectory /fits_data contains fits data files created in 2012 by copying from CDs (Compact Disks) which were in turn written by Mathieu Hirtzig at CfA in 2001 from SKYLAB-S055 data stored at the time on tape at CfA.  These data are stored in 22 subdirectories (/fits_data/CD01 through /fits_data/CD22), each of which is a copy of one of the 22 CD's. Each of the subdirectories contains an identical
sub-subdirectory named /README_S055, which contains a number of files some of which may be helpful in examining the data. It is recommended that those unfamiliar with the S055 experiment look at the file README_S055.txt for background, as well as other files in the README_S055 sub-subdirectory, some of which provide useful auxilliary information.  The subdirectory /raw_data contains the raw data from which the fits data files were created.  This is probably of limited use, but is included for archival purposes.</Description>
      <PublicationInfo>
        <Authors>Noyes, Robert W.</Authors>
        <PublicationDate>2025-11-14T16:02:54Z</PublicationDate>
        <PublishedBy>Space Physics Data Facility</PublishedBy>
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        <Role>PrincipalInvestigator</Role>
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      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
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          <RightsName>Creative Commons Zero v1.0 Universal</RightsName>
          <Note>CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products</Note>
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      <AccessURL>
        <Name>FTP access to FITS data files at SPDF</Name>
        <URL>ftps://spdf.gsfc.nasa.gov/pub/data/skylab/uv_scanning_polychromator_spectroheliometer/fits_data/</URL>
        <Description>In FITS via FTP from SPDF</Description>
      </AccessURL>
      <AccessURL>
        <Name>HTTP access to FITS data files at SPDF</Name>
        <URL>https://spdf.gsfc.nasa.gov/pub/data/skylab/uv_scanning_polychromator_spectroheliometer/fits_data/</URL>
        <Description>In FITS via HTTP from SPDF</Description>
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      <Format>FITS</Format>
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      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
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          <RightsName>Creative Commons Zero v1.0 Universal</RightsName>
          <Note>CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products</Note>
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      <AccessURL>
        <Name>FTPS from SPDF (not with most browsers)</Name>
        <URL>ftps://spdf.gsfc.nasa.gov/pub/data/skylab/uv_scanning_polychromator_spectroheliometer/raw_data/</URL>
        <Description>In counts via FTP from SPDF</Description>
      </AccessURL>
      <AccessURL>
        <Name>HTTPS from SPDF</Name>
        <URL>https://spdf.gsfc.nasa.gov/pub/data/skylab/uv_scanning_polychromator_spectroheliometer/raw_data/</URL>
        <Description>In counts via HTTP from SPDF</Description>
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      <Format>Binary</Format>
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    <InstrumentID>spase://SMWG/Instrument/Skylab/Spectroheliometer</InstrumentID>
    <MeasurementType>ImageIntensity</MeasurementType>
    <TemporalDescription>
      <TimeSpan>
        <StartDate>1973-05-28T00:00:00Z</StartDate>
        <StopDate>1974-02-08T23:59:59Z</StopDate>
      </TimeSpan>
      <Cadence>PT330S</Cadence>
    </TemporalDescription>
    <ObservedRegion>Sun.TransitionRegion</ObservedRegion>
    <ObservedRegion>Sun.Chromosphere</ObservedRegion>
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