{
 "slug": "constable-cloud-studies-1821-22",
 "studies": [
  {
   "slug": "constable-cloud-hampstead-1821-09-11",
   "accession": "03/455",
   "date": "11 September 1821, 10–11am"
  },
  {
   "slug": "constable-cloud-stormy-sunset",
   "accession": "1998.20.1",
   "date": "1821–1822; day unknown"
  }
 ],
 "inscription": {
  "text": "Hampstead, Sepr 11, 1821. 10 to 11. Morning under the sun - Clouds silvery grey, on warm ground Sultry. Light wind to the S.W. fine all day - but rain in the night following",
  "url": "https://digital.nga.gov.au/archive/exhibition/constable/detail.cfm%3Firn=143229&bioartistirn=18283&mnuid=2&galid=7.html"
 },
 "annotation": {
  "text": "This oil sketch is not visibly annotated",
  "url": "https://www.nga.gov/artworks/104243-cloud-study-stormy-sunset"
 },
 "receipts": {
  "australia": {
   "title": "National Gallery of Australia, Constable exhibition (2006), Tree at Right",
   "url": "https://digital.nga.gov.au/archive/exhibition/constable/detail.cfm%3Firn=143229&bioartistirn=18283&mnuid=2&galid=7.html",
   "sha256": "9229e8f12ea0170ab1318d24a2c84b47331b824aa98c5648af09abe6a2d0f8c6",
   "retrieved_at": "2026-10-07",
   "license": "Museum text; brief quotation and attributed paraphrase"
  },
  "nga": {
   "title": "National Gallery of Art, 1998.20.1; Philip Conisbee (2000), captured web text",
   "url": "https://www.nga.gov/artworks/104243-cloud-study-stormy-sunset",
   "sha256": "d2c49763aafbe6c127ceb7b4ac05bbd31a4049fbde910fbae70e3ad32454e9ae",
   "retrieved_at": "2026-10-07",
   "license": "Museum text; brief quotation and attributed paraphrase"
  },
  "google": {
   "title": "Royal Academy of Arts on Google Arts & Culture: conflicting date metadata",
   "url": "https://artsandculture.google.com/asset/cloud-study-hampstead-tree-at-right-john-constable/RgH4MGcY1YjWvA?hl=en",
   "sha256": "ceb3f3fe930ed0228b43552c9ff270d717b090c2b740a0b1fb47b0bdd84add18",
   "retrieved_at": "2026-10-07",
   "license": "Museum metadata; no image reused from this source"
  },
  "howard-table": {
   "title": "Howard, The Climate of London (1833), vol. III, Table CLXXXIV, p. 60",
   "url": "https://archive.org/download/in.ernet.dli.2015.48048/page/n66_w2000.jpg",
   "sha256": "94f31331517db9c42e73fd7b4109969587359f18c3d1be2826f237907aa67ad3",
   "retrieved_at": "2026-10-07",
   "license": "Public domain; Internet Archive / Digital Library of India"
  },
  "howard-notes": {
   "title": "Howard, notes and results, p. 61",
   "url": "https://archive.org/download/in.ernet.dli.2015.48048/page/n67_w2000.jpg",
   "sha256": "e9a7f9ece12f5d7b8a64c96c6f2afb72a9cc656b3bde1c89b8358a487667169d",
   "retrieved_at": "2026-10-07",
   "license": "Public domain; Internet Archive / Digital Library of India"
  },
  "cet-daily": {
   "title": "Met Office HadCET daily mean temperature; Parker, Legg & Folland (1992)",
   "url": "https://www.metoffice.gov.uk/hadobs/hadcet/data/meantemp_daily_totals.txt",
   "sha256": "c6948508f8d4b1cff2b302c83d6506244c804abc2d088a743ef8ab6c630184cc",
   "retrieved_at": "2026-09-30",
   "license": "Open Government Licence; Met Office Hadley Centre"
  },
  "cet-monthly": {
   "title": "Met Office HadCET monthly mean temperature; Parker, Legg & Folland (1992)",
   "url": "https://www.metoffice.gov.uk/hadobs/hadcet/data/meantemp_monthly_totals.txt",
   "sha256": "c17868e014c4cfcc284a41149e6217b1dec976d7fa22fa91ed515e675eac3304",
   "retrieved_at": "2026-09-30",
   "license": "Open Government Licence; Met Office Hadley Centre"
  },
  "hampstead-rights": {
   "title": "Wikimedia Commons image rights record, captured web text",
   "url": "https://commons.wikimedia.org/wiki/File:John_Constable_(1776-1837)_-_Cloud_Study,_Hampstead,_Tree_at_Right_-_03-455_-_Royal_Academy_of_Arts.jpg",
   "sha256": "f25925a88f4ed598a4d6ae72c7d51dcfa715ae5415b288ce67c7a4631d3ed44f",
   "retrieved_at": "2026-10-07",
   "license": "PD-Art / public domain image; Commons text CC BY-SA"
  },
  "sunset-rights": {
   "title": "National Gallery of Art open-access image policy, captured web text",
   "url": "https://www.nga.gov/terms-and-notices",
   "sha256": "03aa4c5b30788f765891d3d53bc743f00fa02fe9bff9139aa7e22619a64181ef",
   "retrieved_at": "2026-10-07",
   "license": "Eligible object images CC0"
  }
 }
}