{
  "$schema": "https://lumavik.org/api/v1/openapi.json",
  "endpoint": "https://lumavik.org/api/v1/sources.json",
  "description": "The primary sources behind every figure on lumavik.org — the agencies, the index services and the missions — plus the live, keyless, CORS-open NOAA endpoints that carry current conditions.",
  "count": 41,
  "publishers": {
    "NOAA": 1,
    "NOAA SWPC": 14,
    "GFZ Helmholtz Centre for Geosciences": 3,
    "IAGA / ISGI": 1,
    "World Data Center for Geomagnetism, Kyoto": 2,
    "NOAA NCEI": 4,
    "NOAA NESDIS": 1,
    "NASA": 4,
    "NASA / ESA": 1,
    "Johns Hopkins Applied Physics Laboratory": 1,
    "Aurorasaurus": 1,
    "NASA Scientific Visualization Studio": 1,
    "Natural Resources Canada": 1,
    "Lancaster University": 1,
    "ESA": 2,
    "NERC": 1,
    "Australian Bureau of Meteorology": 1,
    "NASA Science": 1
  },
  "provenance": "The registry every article on this site cites by key instead of typing a URL into prose. Each entry was verified to return 200 on the date in `verified`.",
  "caveats": [
    "Nothing in this API is live. It publishes what a location needs, not what the Sun is doing. Current conditions come from NOAA SWPC, which is CORS-open and free: see the `live_data` block in https://lumavik.org/api/v1/sources.json for the endpoints this site itself reads."
  ],
  "field_notes": {
    "key": "The identifier an article on this site uses in its frontmatter. Stable; the URL behind it may be repaired.",
    "verified": "The date the URL was last confirmed to return 200. Not a promise it still does.",
    "live_data": "Fetched directly by the browser from NOAA. No key, no account, no proxy, no CORS problem."
  },
  "related": {
    "human_page": "https://lumavik.org/skywatch/where-aurora-data-comes-from/",
    "glossary": "https://lumavik.org/api/v1/glossary.json"
  },
  "licence": {
    "name": "CC BY 4.0",
    "url": "https://creativecommons.org/licenses/by/4.0/",
    "attribution": "Lumavik — https://lumavik.org",
    "note": "Free to reuse, including commercially, with a link back to the endpoint or the page a figure came from."
  },
  "licence_note": "The licence covers this compilation. The documents and feeds listed are published by the organisations named and carry their own terms; NOAA products are in the public domain.",
  "sources": [
    {
      "key": "swpc",
      "title": "Space Weather Prediction Center",
      "publisher": "NOAA",
      "url": "https://www.swpc.noaa.gov/",
      "verified": "2026-08-07"
    },
    {
      "key": "swpcKp",
      "title": "Planetary K-index",
      "publisher": "NOAA SWPC",
      "url": "https://www.swpc.noaa.gov/products/planetary-k-index",
      "verified": "2026-08-07"
    },
    {
      "key": "swpcStationK",
      "title": "Station K and Indices",
      "publisher": "NOAA SWPC",
      "url": "https://www.swpc.noaa.gov/products/station-k-and-indices",
      "verified": "2026-08-07"
    },
    {
      "key": "swpcScales",
      "title": "NOAA Space Weather Scales",
      "publisher": "NOAA SWPC",
      "url": "https://www.swpc.noaa.gov/noaa-scales-explanation",
      "verified": "2026-08-07"
    },
    {
      "key": "swpcOvation",
      "title": "30-Minute Aurora Forecast (OVATION)",
      "publisher": "NOAA SWPC",
      "url": "https://www.swpc.noaa.gov/products/aurora-30-minute-forecast",
      "verified": "2026-08-07"
    },
    {
      "key": "swpcWind",
      "title": "Real-Time Solar Wind",
      "publisher": "NOAA SWPC",
      "url": "https://www.swpc.noaa.gov/products/real-time-solar-wind",
      "verified": "2026-08-07"
    },
    {
      "key": "swpc3day",
      "title": "3-Day Forecast",
      "publisher": "NOAA SWPC",
      "url": "https://www.swpc.noaa.gov/products/3-day-forecast",
      "verified": "2026-08-07"
    },
    {
      "key": "swpc27day",
      "title": "27-Day Outlook of 10.7 cm Radio Flux and Geomagnetic Indices",
      "publisher": "NOAA SWPC",
      "url": "https://www.swpc.noaa.gov/products/27-day-outlook-107-cm-radio-flux-and-geomagnetic-indices",
      "verified": "2026-08-07"
    },
    {
      "key": "swpcCycle",
      "title": "Solar Cycle Progression",
      "publisher": "NOAA SWPC",
      "url": "https://www.swpc.noaa.gov/products/solar-cycle-progression",
      "verified": "2026-08-07"
    },
    {
      "key": "swpcStorms",
      "title": "Geomagnetic Storms",
      "publisher": "NOAA SWPC",
      "url": "https://www.swpc.noaa.gov/phenomena/geomagnetic-storms",
      "verified": "2026-08-07"
    },
    {
      "key": "swpcAurora",
      "title": "Aurora",
      "publisher": "NOAA SWPC",
      "url": "https://www.swpc.noaa.gov/phenomena/aurora",
      "verified": "2026-08-07"
    },
    {
      "key": "swpcGoes",
      "title": "GOES Magnetometer",
      "publisher": "NOAA SWPC",
      "url": "https://www.swpc.noaa.gov/products/goes-magnetometer",
      "verified": "2026-08-07"
    },
    {
      "key": "swpcDrag",
      "title": "Satellite Drag",
      "publisher": "NOAA SWPC",
      "url": "https://www.swpc.noaa.gov/impacts/satellite-drag",
      "verified": "2026-08-07"
    },
    {
      "key": "swpcEvents",
      "title": "Solar and Geophysical Event Reports",
      "publisher": "NOAA SWPC",
      "url": "https://www.swpc.noaa.gov/products/solar-and-geophysical-event-reports",
      "verified": "2026-08-07"
    },
    {
      "key": "swpcDashboard",
      "title": "Space Weather Enthusiasts Dashboard",
      "publisher": "NOAA SWPC",
      "url": "https://www.swpc.noaa.gov/communities/space-weather-enthusiasts-dashboard",
      "verified": "2026-08-07"
    },
    {
      "key": "gfzKp",
      "title": "Kp index data and description",
      "publisher": "GFZ Helmholtz Centre for Geosciences",
      "url": "https://kp.gfz.de/en/data",
      "verified": "2026-08-07"
    },
    {
      "key": "gfzHp",
      "title": "Hp30 and Hp60 high-cadence geomagnetic indices",
      "publisher": "GFZ Helmholtz Centre for Geosciences",
      "url": "https://kp.gfz.de/en/hp30-hp60",
      "verified": "2026-08-07"
    },
    {
      "key": "gfzSection",
      "title": "Geomagnetism section",
      "publisher": "GFZ Helmholtz Centre for Geosciences",
      "url": "https://www.gfz.de/en/section/geomagnetism",
      "verified": "2026-08-07"
    },
    {
      "key": "isgi",
      "title": "International Service of Geomagnetic Indices",
      "publisher": "IAGA / ISGI",
      "url": "https://isgi.unistra.fr/",
      "verified": "2026-08-07"
    },
    {
      "key": "kyotoDst",
      "title": "Dst index service",
      "publisher": "World Data Center for Geomagnetism, Kyoto",
      "url": "https://wdc.kugi.kyoto-u.ac.jp/dstdir/",
      "verified": "2026-08-07"
    },
    {
      "key": "kyotoAe",
      "title": "AE index service",
      "publisher": "World Data Center for Geomagnetism, Kyoto",
      "url": "https://wdc.kugi.kyoto-u.ac.jp/aedir/",
      "verified": "2026-08-07"
    },
    {
      "key": "ngdcKpAp",
      "title": "Kp and ap indices description",
      "publisher": "NOAA NCEI",
      "url": "https://www.ngdc.noaa.gov/stp/geomag/kp_ap.html",
      "verified": "2026-08-07"
    },
    {
      "key": "igrf",
      "title": "International Geomagnetic Reference Field",
      "publisher": "NOAA NCEI",
      "url": "https://www.ncei.noaa.gov/products/international-geomagnetic-reference-field",
      "verified": "2026-08-07"
    },
    {
      "key": "magcalc",
      "title": "Magnetic field calculators",
      "publisher": "NOAA NCEI",
      "url": "https://www.ngdc.noaa.gov/geomag/calculators/magcalc.shtml",
      "verified": "2026-08-07"
    },
    {
      "key": "nceiSpace",
      "title": "Space weather data",
      "publisher": "NOAA NCEI",
      "url": "https://www.ncei.noaa.gov/products/space-weather",
      "verified": "2026-08-07"
    },
    {
      "key": "dscovr",
      "title": "DSCOVR: Deep Space Climate Observatory",
      "publisher": "NOAA NESDIS",
      "url": "https://www.nesdis.noaa.gov/dscovr-deep-space-climate-observatory",
      "verified": "2026-08-07"
    },
    {
      "key": "dscovrNasa",
      "title": "DSCOVR mission",
      "publisher": "NASA",
      "url": "https://science.nasa.gov/mission/dscovr/",
      "verified": "2026-08-07"
    },
    {
      "key": "ace",
      "title": "Advanced Composition Explorer (ACE)",
      "publisher": "NASA",
      "url": "https://science.nasa.gov/mission/ace/",
      "verified": "2026-08-07"
    },
    {
      "key": "soho",
      "title": "SOHO: Solar and Heliospheric Observatory",
      "publisher": "NASA / ESA",
      "url": "https://soho.nascom.nasa.gov/",
      "verified": "2026-08-07"
    },
    {
      "key": "supermag",
      "title": "SuperMAG magnetometer collaboration",
      "publisher": "Johns Hopkins Applied Physics Laboratory",
      "url": "https://supermag.jhuapl.edu/",
      "verified": "2026-08-07"
    },
    {
      "key": "aurorasaurus",
      "title": "Aurorasaurus citizen-science reports",
      "publisher": "Aurorasaurus",
      "url": "https://aurorasaurus.org/",
      "verified": "2026-08-07"
    },
    {
      "key": "steve",
      "title": "The aurora named STEVE",
      "publisher": "NASA",
      "url": "https://www.nasa.gov/image-article/aurora-named-steve/",
      "verified": "2026-08-07"
    },
    {
      "key": "steveBlog",
      "title": "STEVE mission blog",
      "publisher": "NASA",
      "url": "https://blogs.nasa.gov/steve/",
      "verified": "2026-08-07"
    },
    {
      "key": "moonPhase",
      "title": "Moon phase and libration visualisation",
      "publisher": "NASA Scientific Visualization Studio",
      "url": "https://svs.gsfc.nasa.gov/gallery/moonphase/",
      "verified": "2026-08-07"
    },
    {
      "key": "canada",
      "title": "Canadian Space Weather Forecast Centre",
      "publisher": "Natural Resources Canada",
      "url": "https://www.spaceweather.gc.ca/",
      "verified": "2026-08-07"
    },
    {
      "key": "aurorawatchUk",
      "title": "AuroraWatch UK",
      "publisher": "Lancaster University",
      "url": "https://aurorawatch.lancs.ac.uk/",
      "verified": "2026-08-07"
    },
    {
      "key": "esaSwe",
      "title": "Space Weather Service Network",
      "publisher": "ESA",
      "url": "https://swe.ssa.esa.int/",
      "verified": "2026-08-07"
    },
    {
      "key": "esa",
      "title": "Space weather",
      "publisher": "ESA",
      "url": "https://www.esa.int/Space_Safety/Space_weather",
      "verified": "2026-08-07"
    },
    {
      "key": "nerc",
      "title": "North American Electric Reliability Corporation",
      "publisher": "NERC",
      "url": "https://www.nerc.com/",
      "verified": "2026-08-07"
    },
    {
      "key": "bom",
      "title": "Aurora — Space Weather Services",
      "publisher": "Australian Bureau of Meteorology",
      "url": "https://www.sws.bom.gov.au/Aurora",
      "verified": "2026-08-07"
    },
    {
      "key": "nasaSun",
      "title": "The Sun",
      "publisher": "NASA Science",
      "url": "https://science.nasa.gov/sun/",
      "verified": "2026-08-07"
    }
  ],
  "live_data": [
    {
      "name": "Planetary K-index, 1-minute estimate",
      "url": "https://services.swpc.noaa.gov/json/planetary_k_index_1m.json",
      "publisher": "NOAA SWPC",
      "cors": true,
      "key_required": false,
      "note": "The estimated Kp this site's \"can I see it tonight\" tool reads. An estimate published at one-minute cadence, not the definitive three-hourly Kp from GFZ."
    },
    {
      "name": "3-day geomagnetic forecast",
      "url": "https://services.swpc.noaa.gov/text/3-day-forecast.txt",
      "publisher": "NOAA SWPC",
      "cors": true,
      "key_required": false,
      "note": "Plain text. Identifies nights worth keeping free, never an hour."
    },
    {
      "name": "OVATION aurora 30-minute forecast",
      "url": "https://services.swpc.noaa.gov/json/ovation_aurora_latest.json",
      "publisher": "NOAA SWPC",
      "cors": true,
      "key_required": false,
      "note": "A grid of modelled aurora probability. Short-range: reading it as a plan for a specific night asks it to do the job of the three-day outlook."
    },
    {
      "name": "Real-time solar wind (DSCOVR/ACE plasma and magnetic field)",
      "url": "https://services.swpc.noaa.gov/products/solar-wind/mag-1-day.json",
      "publisher": "NOAA SWPC",
      "cors": true,
      "key_required": false,
      "note": "Measured at L1, roughly 30 to 90 minutes upstream depending on wind speed. Bz is the field component that matters."
    }
  ]
}
